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                    |  |  | Q4 2017 | Q4 2018 | Q4 2019 | Q4 2020 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 81,382 | 94,128 | 59,670 | 50,484 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 51,838 | 58,038 | 30,711 | 26,473 |  
                    | |  | 1. Cash | 
 |  | 4,538 | 4,038 | 24,711 | 23,473 |  
                    | |  | 2. Cash equivalents | 
 |  | 47,300 | 54,000 | 6,000 | 3,000 |  
                    | |  | 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 | 
 |  | 14,870 | 18,843 | 13,420 | 15,555 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 7,411 | 9,313 | 6,207 | 7,574 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 150 | 1,744 | 183 | 276 |  
                    | |  | 3. Short-term intercompany receivables | 
 |  |  |  |  |  |  
                    | |  | 4. Receivables according to the progress of construction contracts | 
 |  |  |  |  |  |  
                    | |  | 5. Receivables on short-term loans | 
 |  | 6,000 | 6,000 | 6,000 | 6,000 |  
                    | |  | 6. Other short-term receivables | 
 |  | 2,050 | 2,528 | 1,938 | 2,613 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -742 | -742 | -907 | -907 |  
                    | |  | IV. Inventories | 
 |  | 13,733 | 14,318 | 13,761 | 8,218 |  
                    | |  | 1. Inventories | 
 |  | 16,844 | 16,692 | 15,737 | 10,154 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  | -3,111 | -2,374 | -1,975 | -1,936 |  
                    | |  | V. Other current assets | 
 |  | 940 | 2,929 | 1,777 | 238 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  |  |  | 1,539 |  |  
                    | |  | 2. Deductible VAT | 
 |  | 506 | 2,929 | 238 |  |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 434 |  |  | 238 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 58,713 | 78,525 | 78,759 | 90,052 |  
                    | |  | I. Long-term receivables | 
 |  |  |  |  |  |  
                    | |  | 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 | 
 |  |  |  |  |  |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 35,122 | 31,416 | 60,281 | 54,177 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 34,981 | 31,354 | 60,271 | 54,177 |  
                    | |  | - Cost | 
 |  | 65,943 | 65,943 | 98,382 | 98,508 |  
                    | |  | - Accumulated depreciation | 
 |  | -30,962 | -34,589 | -38,111 | -44,331 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 141 | 62 | 10 |  |  
                    | |  | - Cost | 
 |  | 914 | 914 | 914 | 914 |  
                    | |  | - Accumulated depreciation | 
 |  | -773 | -852 | -904 | -914 |  
                    | |  | III. Real Estate Investments | 
 |  | 4,461 | 3,772 | 3,084 | 2,618 |  
                    | |  | - Cost | 
 |  | 9,298 | 9,298 | 9,298 | 9,298 |  
                    | |  | - Accumulated depreciation | 
 |  | -4,837 | -5,525 | -6,214 | -6,679 |  
                    | |  | IV. Long-term assets in progress | 
 |  | 2,769 | 29,297 | 2,769 | 2,769 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  | 2,769 | 29,297 | 2,769 | 2,769 |  
                    | |  | IV. Long-term financial investments | 
 |  |  |  |  | 20,000 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  |  |  |  |  |  
                    | |  | 3. Other investments in equity instruments | 
 |  |  |  |  | 20,000 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 16,361 | 14,040 | 12,625 | 10,488 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 16,361 | 14,040 | 12,625 | 10,488 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 140,094 | 172,653 | 138,428 | 140,536 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 26,001 | 54,836 | 21,362 | 34,673 |  
                    | |  | I. Current liabilities | 
 |  | 24,451 | 53,031 | 19,317 | 33,423 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  |  | 26,254 |  | 20,000 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 12,526 | 15,009 | 11,472 | 3,685 |  
                    | |  | 4. Advances from customers | 
 |  |  | 523 | 716 | 518 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 2,905 | 2,677 | 1,604 | 1,937 |  
                    | |  | 6. Payables to employees | 
 |  | 6,044 | 5,733 | 2,618 | 3,408 |  
                    | |  | 7. Short-term accrued expenses | 
 |  |  | 59 |  | 2,804 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  | 1,653 | 1,780 | 1,952 | 1,043 |  
                    | |  | 11. Other short-term payables | 
 |  | 1,322 | 988 | 607 | 29 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  |  | 6 | 348 |  |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 1,550 | 1,805 | 2,045 | 1,250 |  
                    | |  | 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 | 
 |  | 1,550 | 1,805 | 2,045 | 1,250 |  
                    | |  | 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 | 
 |  | 114,093 | 117,817 | 117,066 | 105,862 |  
                    | |  | I. ShareHolder's equity | 
 |  | 114,093 | 117,817 | 117,066 | 105,862 |  
                    | |  | 1. Owner's investment capital | 
 |  | 100,000 | 100,000 | 100,000 | 100,000 |  
                    | |  | 2. Share capital surplus | 
 |  | 9,485 | 9,485 | 9,485 | 9,485 |  
                    | |  | 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 | 
 |  |  |  |  |  |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 4,609 | 8,332 | 7,581 | -3,622 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 469 | 1,195 | 7,453 | 7,581 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 4,139 | 7,138 | 128 | -11,203 |  
                    | |  | 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 | 
 |  | 140,094 | 172,653 | 138,428 | 140,536 |      
    There is no report. |  |