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                    |  |  | Q4 2016 | Q4 2017 | Q4 2018 | Q4 2019 | Q4 2020 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 356,192 | 418,555 | 562,581 | 481,467 | 392,967 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 89,771 | 82,137 | 72,162 | 32,483 | 6,914 |  
                    | |  | 1. Cash | 
 |  | 26,540 | 32,137 | 54,139 | 9,300 | 3,567 |  
                    | |  | 2. Cash equivalents | 
 |  | 63,231 | 50,000 | 18,023 | 23,183 | 3,347 |  
                    | |  | 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 | 
 |  | 144,680 | 158,995 | 301,567 | 234,898 | 137,304 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 109,091 | 126,427 | 83,420 | 146,735 | 69,718 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 23,580 | 22,926 | 62,769 | 29,558 | 11,051 |  
                    | |  | 3. Short-term intercompany receivables | 
 |  |  |  |  |  |  |  
                    | |  | 4. Receivables according to the progress of construction contracts | 
 |  |  | 1,900 | 141,692 | 48,019 | 41,705 |  
                    | |  | 5. Receivables on short-term loans | 
 |  | 2,112 |  |  |  |  |  
                    | |  | 6. Other short-term receivables | 
 |  | 11,703 | 9,549 | 15,492 | 12,393 | 16,645 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -1,806 | -1,806 | -1,806 | -1,806 | -1,815 |  
                    | |  | IV. Inventories | 
 |  | 120,534 | 177,288 | 188,792 | 201,322 | 231,096 |  
                    | |  | 1. Inventories | 
 |  | 120,653 | 177,408 | 188,911 | 201,441 | 231,216 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -119 | -119 | -119 | -119 | -119 |  
                    | |  | V. Other current assets | 
 |  | 1,208 | 134 | 59 | 12,764 | 17,653 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  |  |  | 56 | 372 | 401 |  
                    | |  | 2. Deductible VAT | 
 |  | 725 |  | 3 | 10,784 | 15,542 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 482 | 134 |  | 1,608 | 1,710 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 30,430 | 28,843 | 26,317 | 25,414 | 24,445 |  
                    | |  | I. Long-term receivables | 
 |  | 87 | 57 | 53 | 278 | 312 |  
                    | |  | 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 | 
 |  | 87 | 57 | 53 | 278 | 312 |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 23,438 | 20,223 | 18,189 | 16,696 | 15,737 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 20,763 | 17,564 | 16,069 | 14,854 | 14,060 |  
                    | |  | - Cost | 
 |  | 44,249 | 41,875 | 43,643 | 45,555 | 45,736 |  
                    | |  | - Accumulated depreciation | 
 |  | -23,486 | -24,311 | -27,574 | -30,701 | -31,676 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 2,674 | 2,659 | 2,120 | 1,842 | 1,677 |  
                    | |  | - Cost | 
 |  | 5,252 | 6,075 | 6,075 | 6,075 | 6,075 |  
                    | |  | - Accumulated depreciation | 
 |  | -2,578 | -3,416 | -3,955 | -4,233 | -4,398 |  
                    | |  | III. Real Estate Investments | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | IV. Long-term assets in progress | 
 |  | 2,523 | 2,388 | 2,015 | 1,544 | 1,624 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 2,523 | 2,388 | 2,015 | 1,544 | 1,624 |  
                    | |  | IV. Long-term financial investments | 
 |  | 1,638 | 4,820 | 4,832 | 4,854 | 4,901 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  | 3,182 | 3,194 | 3,216 | 3,263 |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 1,638 | 1,638 | 1,638 | 1,638 | 1,638 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 2,744 | 1,356 | 1,228 | 2,042 | 1,870 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 2,744 | 1,356 | 1,228 | 2,042 | 1,870 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 386,621 | 447,398 | 588,898 | 506,881 | 417,412 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 281,204 | 352,341 | 489,656 | 406,581 | 317,780 |  
                    | |  | I. Current liabilities | 
 |  | 280,820 | 352,110 | 489,598 | 406,581 | 317,780 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 14,072 | 24,667 | 109,832 | 120,562 | 27,590 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 42,651 | 47,205 | 33,107 | 66,706 | 64,800 |  
                    | |  | 4. Advances from customers | 
 |  | 189,791 | 251,794 | 213,144 | 186,160 | 196,644 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 4,069 | 3,314 | 10,399 | 2,233 | 1,212 |  
                    | |  | 6. Payables to employees | 
 |  | 7,637 | 3,616 | 2,356 | 4,079 | 519 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 21,449 | 20,110 | 119,830 | 24,694 | 1,587 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 964 | 824 | 674 | 1,892 | 25,000 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 187 | 581 | 256 | 256 | 429 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 384 | 231 | 58 |  |  |  
                    | |  | 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 | 
 |  |  |  |  |  |  |  
                    | |  | 6. Borrowings and long-term financial leased liabilities | 
 |  |  | 231 | 58 |  |  |  
                    | |  | 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 | 
 |  | 384 |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 105,418 | 95,057 | 99,242 | 100,300 | 99,632 |  
                    | |  | I. ShareHolder's equity | 
 |  | 104,885 | 94,862 | 99,027 | 100,300 | 99,626 |  
                    | |  | 1. Owner's investment capital | 
 |  | 59,770 | 59,770 | 59,770 | 59,770 | 59,770 |  
                    | |  | 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 | 
 |  | 18,458 | 18,526 | 18,537 | 18,537 | 18,625 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 9,585 | 2,457 | 6,720 | 7,467 | 7,284 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 1,427 | 2,864 | 2,393 | 6,720 | 7,467 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 8,158 | -408 | 4,327 | 747 | -183 |  
                    | |  | 12. Investment capital resource for basic construction | 
 |  |  |  |  |  |  |  
                    | |  | 13. Assistance fund for arrangement of enterprises | 
 |  |  |  |  |  |  |  
                    | |  | 14. interest of shareholders who not control | 
 |  | 17,072 | 14,109 | 13,999 | 14,526 | 13,946 |  
                    | |  | II. Funding resources and other funds | 
 |  | 533 | 195 | 215 |  | 6 |  
                    | |  | 1. Funding resources | 
 |  | 533 | 195 | 215 |  | 6 |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 386,621 | 447,398 | 588,898 | 506,881 | 417,412 |      
    There is no report. |  |