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                    |  |  | Q4 2019 | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 161,565 | 156,838 | 164,939 | 182,549 | 154,706 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 4,852 | 412 | 2,074 | 1,951 | 319 |  
                    | |  | 1. Cash | 
 |  | 4,852 | 412 | 2,074 | 1,951 | 319 |  
                    | |  | 2. Cash equivalents | 
 |  |  |  |  |  |  |  
                    | |  | 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 | 
 |  | 66,798 | 51,680 | 43,261 | 45,511 | 31,905 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 72,220 | 60,293 | 51,602 | 53,845 | 53,297 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 3,118 | 302 | 514 | 204 | 346 |  
                    | |  | 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 | 
 |  | 509 | 134 | 194 | 511 | 700 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  | -9,049 | -9,049 | -9,049 | -9,049 | -22,438 |  
                    | |  | IV. Inventories | 
 |  | 89,904 | 104,736 | 119,597 | 134,992 | 122,483 |  
                    | |  | 1. Inventories | 
 |  | 89,904 | 104,736 | 119,597 | 134,992 | 122,483 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 11 | 10 | 7 | 95 |  |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 1 | 2 | 3 | 3 |  |  
                    | |  | 2. Deductible VAT | 
 |  | 10 | 8 | 4 | 91 |  |  
                    | |  | 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 | 
 |  | 21,617 | 19,719 | 17,649 | 16,104 | 14,240 |  
                    | |  | 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 | 
 |  | 13,634 | 11,867 | 10,107 | 8,841 | 7,383 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 13,386 | 11,649 | 9,919 | 8,683 | 7,255 |  
                    | |  | - Cost | 
 |  | 44,570 | 43,871 | 42,619 | 42,915 | 42,650 |  
                    | |  | - Accumulated depreciation | 
 |  | -31,183 | -32,222 | -32,700 | -34,231 | -35,395 |  
                    | |  | 2. Fixed assets of financial leasing | 
 |  |  |  |  |  |  |  
                    | |  | - Cost | 
 |  |  |  |  |  |  |  
                    | |  | - Accumulated depreciation | 
 |  |  |  |  |  |  |  
                    | |  | 3. Intangible fixed assets | 
 |  | 248 | 218 | 188 | 158 | 128 |  
                    | |  | - Cost | 
 |  | 2,998 | 2,998 | 2,998 | 2,998 | 2,998 |  
                    | |  | - Accumulated depreciation | 
 |  | -2,750 | -2,780 | -2,810 | -2,840 | -2,870 |  
                    | |  | 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 | 
 |  | 2,702 | 2,702 | 2,702 | 2,702 | 2,702 |  
                    | |  | 1. Investment in subsidiaries | 
 |  |  |  |  |  |  |  
                    | |  | 2. Investments in associated companies, joint ventures | 
 |  | 2,300 | 2,300 | 2,300 | 2,300 | 2,300 |  
                    | |  | 3. Other investments in equity instruments | 
 |  | 402 | 402 | 402 | 402 | 402 |  
                    | |  | 4. Provision for diminution in value of financial long-term investments | 
 |  |  |  |  |  |  |  
                    | |  | 5. Investments holding until maturity | 
 |  |  |  |  |  |  |  
                    | |  | V. Total other long-term assets | 
 |  | 5,281 | 5,150 | 4,840 | 4,561 | 4,155 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 5,281 | 5,150 | 4,840 | 4,561 | 4,155 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 183,182 | 176,557 | 182,588 | 198,653 | 168,947 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 95,332 | 92,282 | 96,015 | 110,301 | 95,144 |  
                    | |  | I. Current liabilities | 
 |  | 93,446 | 91,327 | 95,780 | 110,116 | 94,974 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  | 29,038 | 38,749 | 39,567 | 45,543 | 46,739 |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 46,091 | 34,187 | 33,193 | 29,566 | 20,041 |  
                    | |  | 4. Advances from customers | 
 |  | 4,223 | 8,227 | 8,496 | 20,139 | 10,843 |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  | 1,333 | 1,991 | 1,512 | 1,277 | 1,036 |  
                    | |  | 6. Payables to employees | 
 |  | 1,854 | 2,184 | 3,803 | 4,494 | 4,501 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 35 | 45 | 93 | 100 | 60 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 10,662 | 5,597 | 8,861 | 8,792 | 11,293 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 211 | 346 | 256 | 205 | 460 |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  | 1,887 | 955 | 235 | 185 | 170 |  
                    | |  | 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 | 
 |  | 1,090 | 955 | 235 | 185 | 170 |  
                    | |  | 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 | 
 |  | 797 |  |  |  |  |  
                    | |  | B. OWNER'S EQUITY | 
 |  | 87,850 | 84,275 | 86,573 | 88,352 | 73,803 |  
                    | |  | I. ShareHolder's equity | 
 |  | 83,517 | 84,275 | 86,573 | 88,352 | 73,803 |  
                    | |  | 1. Owner's investment capital | 
 |  | 60,000 | 60,000 | 60,000 | 60,000 | 60,000 |  
                    | |  | 2. Share capital surplus | 
 |  | 3,272 | 3,272 | 3,272 | 3,272 | 3,272 |  
                    | |  | 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 | 
 |  | 17,500 | 17,500 | 17,500 | 17,500 |  |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 2,745 | 3,503 | 5,801 | 7,580 | 10,531 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  | 973 | 145 | 503 | 5,801 | 21,780 |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 1,773 | 3,358 | 5,298 | 1,779 | -11,249 |  
                    | |  | 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 | 
 |  | 4,333 |  |  |  |  |  
                    | |  | 1. Funding resources | 
 |  | 4,333 |  |  |  |  |  
                    | |  | 2. Funding resources that form fixed assets | 
 |  |  |  |  |  |  |  
                    | |  | 3. Retrenchment provision fund | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL CAPITAL RESOURCES | 
 |  | 183,182 | 176,557 | 182,588 | 198,653 | 168,947 |      
    There is no report. |  |