| 
                         
                     | 
                    
                         
                     |                     
                    Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 | 
                 
            
                
                                            
                          | ASSETS |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS |  
  
                     | 
                    
                     | 
                    69,487 | 70,811 | 112,983 | 128,660 | 135,968 | 
                 
            
                
                                            
                          | I. Cash and cash equivalents |  
                          
                     | 
                                            
                     | 
                    6,225 | 8,371 | 7,755 | 6,804 | 40,157 | 
                 
            
                
                    
                          | 1. Cash |  
  
                     | 
                    
                     | 
                    6,225 | 8,371 | 7,755 | 6,804 | 11,157 | 
                 
            
                
                                            
                          | 2. Cash equivalents |  
                          
                     | 
                                            
                     | 
                      |   |   |   | 29,000 | 
                 
            
                
                    
                          | II. Short-term financial investments |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 1. Trading securities |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Provision for diminution in value of trading securities |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Investments holding until maturity |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | III. Short-term receivables |  
  
                     | 
                    
                     | 
                    14,038 | 15,751 | 13,424 | 26,649 | 14,811 | 
                 
            
                
                                            
                          | 1.  Short-term receivables of customers |  
                          
                     | 
                                            
                     | 
                    13,389 | 15,441 | 12,474 | 25,641 | 12,532 | 
                 
            
                
                    
                          | 2. Prepayments to suppliers |  
  
                     | 
                    
                     | 
                    233 | 569 | 708 | 618 | 2,260 | 
                 
            
                
                                            
                          | 3. Short-term intercompany receivables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 4. Receivables according to the progress of construction contracts |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 5. Receivables on short-term loans |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 6. Other short-term receivables |  
  
                     | 
                    
                     | 
                    416 | 382 | 650 | 390 | 20 | 
                 
            
                
                                            
                          | 7. Provision for doubtful short-term receivables |  
                          
                     | 
                                            
                     | 
                      | -641 | -408 |   |   | 
                 
            
                
                    
                          | IV. Inventories |  
  
                     | 
                    
                     | 
                    46,681 | 46,607 | 90,138 | 93,402 | 78,827 | 
                 
            
                
                                            
                          | 1. Inventories |  
                          
                     | 
                                            
                     | 
                    46,681 | 47,303 | 90,138 | 93,402 | 78,827 | 
                 
            
                
                    
                          | 2. Provision for decline in value of inventories |  
  
                     | 
                    
                     | 
                      | -696 |   |   |   | 
                 
            
                
                                            
                          | V. Other current assets |  
                          
                     | 
                                            
                     | 
                    2,544 | 82 | 1,666 | 1,805 | 2,172 | 
                 
            
                
                    
                          | 1. Short-term prepaid expenses |  
  
                     | 
                    
                     | 
                    113 | 82 |   | 103 |   | 
                 
            
                
                                            
                          | 2. Deductible VAT |  
                          
                     | 
                                            
                     | 
                    2,431 |   | 1,666 | 1,702 | 2,172 | 
                 
            
                
                    
                          | 3. Taxes and the State Receivables |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Repurchasing and reselling transactions in government bonds |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Other current assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | B. FIXED ASSETS AND LONG-TERM INVESTMENTS |  
                          
                     | 
                                            
                     | 
                    26,636 | 20,339 | 18,063 | 15,455 | 15,572 | 
                 
            
                
                    
                          | I. Long-term receivables |  
  
                     | 
                    
                     | 
                    40 | 10 | 10 | 10 | 10 | 
                 
            
                
                                            
                          | 1. Long-term customer's receivables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Business capital in the subsidiary units |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Internal long-term receivables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 4. Receivables on long-term loans |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 5. Other long-term receivables |  
                          
                     | 
                                            
                     | 
                    40 | 10 | 10 | 10 | 10 | 
                 
            
                
                    
                          | 6. Provision for doubtful long-term receivables |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | II. Fixed assets |  
                          
                     | 
                                            
                     | 
                    24,699 | 18,607 | 17,221 | 15,194 | 14,956 | 
                 
            
                
                    
                          | 1. Tangible fixed assets |  
  
                     | 
                    
                     | 
                    24,699 | 18,607 | 17,221 | 15,194 | 14,956 | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                            
                     | 
                    90,526 | 90,499 | 92,700 | 94,092 | 93,165 | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                    
                     | 
                    -65,827 | -71,892 | -75,480 | -78,897 | -78,209 | 
                 
            
                
                                            
                          | 2. Fixed assets of financial leasing |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Intangible fixed assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | - Cost |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | - Accumulated depreciation |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | III. Real Estate Investments |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | - Cost |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | - Accumulated depreciation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | IV. Long-term assets in progress |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 1. Costs of  long-term production, business in progress |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Costs of construction in progress |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | IV. Long-term financial investments |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 1. Investment in subsidiaries |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 2. Investments in associated companies, joint ventures |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Other investments in equity instruments |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Provision for diminution in value of financial long-term investments |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Investments holding until maturity |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | V. Total other long-term assets |  
                          
                     | 
                                            
                     | 
                    1,897 | 1,722 | 832 | 251 | 606 | 
                 
            
                
                    
                          | 1. Long-term prepaid expenses |  
  
                     | 
                    
                     | 
                    1,897 | 1,722 | 832 | 251 | 606 | 
                 
            
                
                                            
                          | 2. Deferred income tax assets |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Other long-term assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | VI. Goodwills |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | TOTAL ASSETS |  
  
                     | 
                    
                     | 
                    96,123 | 91,150 | 131,046 | 144,115 | 151,540 | 
                 
            
                
                                            
                          | CAPITAL RESOURCES |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | A. LIABILITIES |  
  
                     | 
                    
                     | 
                    55,422 | 63,466 | 90,576 | 93,228 | 94,607 | 
                 
            
                
                                            
                          | I. Current liabilities |  
                          
                     | 
                                            
                     | 
                    55,322 | 63,466 | 90,576 | 93,228 | 94,607 | 
                 
            
                
                    
                          | 1. Borrowings and short-term financial leased liabilities |  
  
                     | 
                    
                     | 
                    15,383 | 19,908 | 17,903 | 2,858 |   | 
                 
            
                
                                            
                          | 2. Long-term borrowings are due to pay |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Short-term payables to sellers |  
  
                     | 
                    
                     | 
                    16,763 | 30,600 | 63,997 | 70,918 | 66,184 | 
                 
            
                
                                            
                          | 4. Advances from customers |  
                          
                     | 
                                            
                     | 
                    13,356 | 5,518 | 2,531 | 573 | 690 | 
                 
            
                
                    
                          | 5. Taxes and other payables to the State Budget |  
  
                     | 
                    
                     | 
                    7 | 318 | 47 | 235 | 662 | 
                 
            
                
                                            
                          | 6. Payables to employees |  
                          
                     | 
                                            
                     | 
                    6,449 | 4,289 | 4,211 | 11,358 | 14,011 | 
                 
            
                
                    
                          | 7. Short-term accrued expenses |  
  
                     | 
                    
                     | 
                    63 | 60 | 68 | 81 | 69 | 
                 
            
                
                                            
                          | 8. Short-term intercompany payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 9. Payables to the scheduled progress of construction contracts |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Short-term unrealized Revenue |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. Other short-term payables |  
  
                     | 
                    
                     | 
                    1,662 | 2,620 | 1,650 | 1,159 | 1,967 | 
                 
            
                
                                            
                          | 12. Provision for short term payables |  
                          
                     | 
                                            
                     | 
                      |   |   | 5,500 | 9,450 | 
                 
            
                
                    
                          | 13. Bonus and welfare fund |  
  
                     | 
                    
                     | 
                    1,640 | 154 | 168 | 547 | 1,573 | 
                 
            
                
                                            
                          | 14. Price stabilization fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 15. Repurchasing and reselling transactions in government bonds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | II. Long-term liabilities |  
                          
                     | 
                                            
                     | 
                    100 |   |   |   |   | 
                 
            
                
                    
                          | 1. Long-term payables to sellers |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 2. Long-term accrued expenses |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Intercompany payables on business capital |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Long-term intra-company payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Other long-term payables |  
  
                     | 
                    
                     | 
                    100 |   |   |   |   | 
                 
            
                
                                            
                          | 6. Borrowings and long-term financial leased liabilities |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 7. Convertible bonds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 8. Deferred income tax payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 9. Provision for job loss allowance |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Provision for long-term payables |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. Long-term unrealized revenue |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 12. Development fund of science and technology |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | B. OWNER'S EQUITY |  
  
                     | 
                    
                     | 
                    40,701 | 27,683 | 40,470 | 50,888 | 56,933 | 
                 
            
                
                                            
                          | I. ShareHolder's equity |  
                          
                     | 
                                            
                     | 
                    40,701 | 27,683 | 40,470 | 50,888 | 56,933 | 
                 
            
                
                    
                          | 1. Owner's investment capital |  
  
                     | 
                    
                     | 
                    48,634 | 48,634 | 48,634 | 48,634 | 48,634 | 
                 
            
                
                                            
                          | 2. Share capital surplus |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 3. Bond conversion option |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 4. Other owner's capital |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 5. Treasury shares |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 6. Differences upon asset revaluation |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 7. Differences upon foreign exchange rate |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 8. Investment and development funds |  
                          
                     | 
                                            
                     | 
                    1,135 | 1,135 | 1,135 | 1,135 | 1,135 | 
                 
            
                
                    
                          | 9. Financial reserve funds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 10. Other funds belonging to owner's equity |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 11. After tax undistributed profit |  
  
                     | 
                    
                     | 
                    -9,068 | -22,086 | -9,300 | 1,119 | 7,164 | 
                 
            
                
                                            
                          | - After tax undistributed profit accumulated to the end of prior period |  
                          
                     | 
                                            
                     | 
                    210 | -9,068 | -22,086 |   |   | 
                 
            
                
                    
                          | - Profit after tax undistributed this period |  
  
                     | 
                    
                     | 
                    -9,278 | -13,018 | 12,786 | 1,119 | 7,164 | 
                 
            
                
                                            
                          | 12. Investment capital resource for basic construction |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 13. Assistance fund for arrangement of enterprises |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 14. interest of shareholders who not control |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | II. Funding resources and other funds |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 1. Funding resources |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | 2. Funding resources that form fixed assets |  
  
                     | 
                     
                     | 
                      |   |   |   |   | 
                 
            
                
                                            
                          | 3. Retrenchment provision fund |  
                          
                     | 
                                             
                     | 
                      |   |   |   |   | 
                 
            
                
                    
                          | TOTAL CAPITAL RESOURCES |  
  
                     | 
                    
                     | 
                    96,123 | 91,150 | 131,046 | 144,115 | 151,540 | 
                 
                        
                 
                    
     
    
    
     
        There is no report.
    
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