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                    |  |  | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 112,586 | 105,137 | 88,130 | 103,156 | 103,824 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 26,878 | 26,355 | 12,960 | 21,504 | 24,039 |  
                    | |  | 1. Cash | 
 |  | 26,878 | 26,355 | 9,960 | 15,504 | 9,039 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  | 3,000 | 6,000 | 15,000 |  
                    | |  | 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 | 
 |  | 84,109 | 77,282 | 73,505 | 80,627 | 78,553 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 13,093 | 5,883 | 412 | 17,981 | 24,702 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 258 | 213 | 328 | 230 | 230 |  
                    | |  | 3. Short-term intercompany receivables | 
 |  |  |  |  | 60,000 |  |  
                    | |  | 4. Receivables according to the progress of construction contracts | 
 |  |  |  |  | 2,415 |  |  
                    | |  | 5. Receivables on short-term loans | 
 |  | 66,000 | 66,000 | 66,000 |  | 50,000 |  
                    | |  | 6. Other short-term receivables | 
 |  | 4,758 | 5,186 | 6,765 |  | 3,622 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | IV. Inventories | 
 |  | 1,227 | 1,222 | 1,450 | 984 | 984 |  
                    | |  | 1. Inventories | 
 |  | 1,236 | 1,231 | 1,459 | 992 | 992 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -9 | -9 | -9 | -9 | -9 |  
                    | |  | V. Other current assets | 
 |  | 372 | 278 | 216 | 43 | 248 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 372 | 278 | 184 |  | 205 |  
                    | |  | 2. Deductible VAT | 
 |  |  |  |  |  |  |  
                    | |  | 3. Taxes and the State Receivables | 
 |  |  |  | 32 | 43 | 43 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 331,050 | 324,907 | 324,044 | 313,182 | 316,708 |  
                    | |  | I. Long-term receivables | 
 |  | 10 | 10 | 5,010 | 10 | 10,010 |  
                    | |  | 1. Long-term customer's receivables | 
 |  |  |  |  |  |  |  
                    | |  | 2. Business capital in the subsidiary units | 
 |  |  |  |  |  |  |  
                    | |  | 3. Internal long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables on long-term loans | 
 |  |  |  | 5,000 |  | 10,000 |  
                    | |  | 5. Other long-term receivables | 
 |  | 10 | 10 | 10 | 10 | 10 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 330,119 | 323,920 | 317,754 | 311,554 | 305,354 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 330,119 | 323,920 | 317,754 | 311,554 | 305,354 |  
                    | |  | - Cost | 
 |  | 598,954 | 598,443 | 598,477 | 598,477 | 598,477 |  
                    | |  | - Accumulated depreciation | 
 |  | -268,835 | -274,523 | -280,723 | -286,923 | -293,123 |  
                    | |  | 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 | 
 |  | 921 | 976 | 1,280 | 1,618 | 1,344 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 921 | 976 | 1,280 | 1,618 | 1,344 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 443,636 | 430,044 | 412,174 | 416,338 | 420,532 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 204,659 | 189,615 | 178,919 | 180,333 | 177,761 |  
                    | |  | I. Current liabilities | 
 |  | 7,659 | 5,525 | 1,829 | 33,243 | 7,171 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  |  |  |  | 28,500 |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 872 | 93 | 62 | 936 | 963 |  
                    | |  | 4. Advances from customers | 
 |  |  |  |  |  |  |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 4,943 | 3,387 | 451 | 1,709 | 4,132 |  
                    | |  | 6. Payables to employees | 
 |  | 227 | 453 | 1 | 273 | 275 |  
                    | |  | 7. Short-term accrued expenses | 
 |  |  |  |  |  |  |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 109 | 147 | 139 | 152 | 132 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 1,509 | 1,444 | 1,177 | 1,674 | 1,669 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 197,000 | 184,090 | 177,090 | 147,090 | 170,590 |  
                    | |  | 1. Long-term payables to sellers | 
 |  |  | 90 | 90 |  | 90 |  
                    | |  | 2. Long-term accrued expenses | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intercompany payables on business capital | 
 |  |  |  |  |  |  |  
                    | |  | 4. Long-term intra-company payables | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other long-term payables | 
 |  |  |  |  | 90 |  |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  | 197,000 | 184,000 | 177,000 | 147,000 | 170,500 |  
                    | |  | 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 | 
 |  | 238,977 | 240,429 | 233,255 | 236,005 | 242,770 |  
                    | |  | I. ShareHolder's equity | 
 |  | 238,977 | 240,429 | 233,255 | 236,005 | 242,770 |  
                    | |  | 1. Owner's investment capital | 
 |  | 203,528 | 203,528 | 203,528 | 203,528 | 203,528 |  
                    | |  | 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 | 
 |  | 23,841 | 23,841 | 23,841 | 25,876 | 25,876 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  | 51 | 51 | 51 | 51 |  
                    | |  | 11. After tax undistributed profit | 
 |  | 11,607 | 13,009 | 5,834 | 6,549 | 13,315 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 7,123 |  | 13,009 | 10,176 | 10,176 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 4,484 | 13,009 | -7,174 | -3,627 | 3,138 |  
                    | |  | 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 | 
 |  | 443,636 | 430,044 | 412,174 | 416,338 | 420,532 |      
    There is no report. |  |