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                    |  |  | Q4 2020 | Q4 2021 | Q4 2022 | Q4 2023 | Q4 2024 |  
                    | |  | ASSETS | 
 |  |  |  |  |  |  |  
                    | |  | A. CURRENT ASSETS AND SHORT-TERM INVESTMENTS | 
 |  | 42,605 | 47,809 | 51,122 | 55,795 | 63,130 |  
                    | |  | I. Cash and cash equivalents | 
 |  | 9,050 | 17,711 | 23,797 | 29,600 | 37,749 |  
                    | |  | 1. Cash | 
 |  | 9,050 | 17,711 | 23,797 | 29,600 | 37,749 |  
                    | |  | 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 | 
 |  | 24,743 | 22,192 | 18,719 | 18,421 | 16,250 |  
                    | |  | 1.  Short-term receivables of customers | 
 |  | 6,954 | 4,279 | 1,828 | 2,191 | 1,650 |  
                    | |  | 2. Prepayments to suppliers | 
 |  | 41 | 135 | 200 | 56 | 42 |  
                    | |  | 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 | 
 |  | 17,748 | 17,845 | 16,784 | 16,180 | 14,566 |  
                    | |  | 7. Provision for doubtful short-term receivables | 
 |  |  | -67 | -94 | -5 | -8 |  
                    | |  | IV. Inventories | 
 |  | 8,413 | 7,643 | 8,494 | 7,616 | 8,753 |  
                    | |  | 1. Inventories | 
 |  | 8,413 | 7,643 | 8,494 | 7,616 | 8,753 |  
                    | |  | 2. Provision for decline in value of inventories | 
 |  |  |  |  |  |  |  
                    | |  | V. Other current assets | 
 |  | 399 | 262 | 112 | 158 | 377 |  
                    | |  | 1. Short-term prepaid expenses | 
 |  | 74 | 30 | 112 | 152 | 232 |  
                    | |  | 2. Deductible VAT | 
 |  | 310 | 61 |  |  | 31 |  
                    | |  | 3. Taxes and the State Receivables | 
 |  | 16 | 171 |  | 6 | 113 |  
                    | |  | 4. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | 5. Other current assets | 
 |  |  |  |  |  |  |  
                    | |  | B. FIXED ASSETS AND LONG-TERM INVESTMENTS | 
 |  | 21,372 | 16,317 | 12,715 | 9,848 | 7,532 |  
                    | |  | I. Long-term receivables | 
 |  | 86 | 86 | 86 | 86 |  |  
                    | |  | 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 | 
 |  | 86 | 86 | 86 | 86 |  |  
                    | |  | 6. Provision for doubtful long-term receivables | 
 |  |  |  |  |  |  |  
                    | |  | II. Fixed assets | 
 |  | 9,184 | 5,882 | 3,815 | 2,198 | 1,620 |  
                    | |  | 1. Tangible fixed assets | 
 |  | 9,184 | 5,882 | 3,815 | 2,198 | 1,620 |  
                    | |  | - Cost | 
 |  | 43,795 | 43,872 | 43,944 | 43,944 | 44,266 |  
                    | |  | - Accumulated depreciation | 
 |  | -34,611 | -37,990 | -40,129 | -41,746 | -42,646 |  
                    | |  | 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 | 
 |  |  |  | 201 | 667 | 667 |  
                    | |  | 1. Costs of  long-term production, business in progress | 
 |  |  |  |  |  |  |  
                    | |  | 2. Costs of construction in progress | 
 |  |  |  | 201 | 667 | 667 |  
                    | |  | 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 | 
 |  | 12,102 | 10,349 | 8,613 | 6,897 | 5,245 |  
                    | |  | 1. Long-term prepaid expenses | 
 |  | 12,102 | 10,349 | 8,613 | 6,859 | 5,216 |  
                    | |  | 2. Deferred income tax assets | 
 |  |  |  |  | 38 | 29 |  
                    | |  | 3. Other long-term assets | 
 |  |  |  |  |  |  |  
                    | |  | VI. Goodwills | 
 |  |  |  |  |  |  |  
                    | |  | TOTAL ASSETS | 
 |  | 63,977 | 64,126 | 63,837 | 65,643 | 70,661 |  
                    | |  | CAPITAL RESOURCES | 
 |  |  |  |  |  |  |  
                    | |  | A. LIABILITIES | 
 |  | 10,251 | 11,027 | 9,651 | 10,745 | 14,226 |  
                    | |  | I. Current liabilities | 
 |  | 10,251 | 11,027 | 9,651 | 10,745 | 14,226 |  
                    | |  | 1. Borrowings and short-term financial leased liabilities | 
 |  |  |  |  |  |  |  
                    | |  | 2. Long-term borrowings are due to pay | 
 |  |  |  |  |  |  |  
                    | |  | 3. Short-term payables to sellers | 
 |  | 8,814 | 10,018 | 4,828 | 4,218 | 6,649 |  
                    | |  | 4. Advances from customers | 
 |  |  |  | 1,048 | 5 |  |  
                    | |  | 5. Taxes and other payables to the State Budget | 
 |  |  | 5 | 124 | 160 | 376 |  
                    | |  | 6. Payables to employees | 
 |  | 901 |  | 3,162 | 5,364 | 6,616 |  
                    | |  | 7. Short-term accrued expenses | 
 |  | 420 | 712 | 364 | 848 | 472 |  
                    | |  | 8. Short-term intercompany payables | 
 |  |  |  |  |  |  |  
                    | |  | 9. Payables to the scheduled progress of construction contracts | 
 |  |  |  |  |  |  |  
                    | |  | 10. Short-term unrealized Revenue | 
 |  |  |  |  |  |  |  
                    | |  | 11. Other short-term payables | 
 |  | 84 | 248 | 75 | 86 | 112 |  
                    | |  | 12. Provision for short term payables | 
 |  |  |  |  |  |  |  
                    | |  | 13. Bonus and welfare fund | 
 |  | 33 | 45 | 52 | 63 |  |  
                    | |  | 14. Price stabilization fund | 
 |  |  |  |  |  |  |  
                    | |  | 15. Repurchasing and reselling transactions in government bonds | 
 |  |  |  |  |  |  |  
                    | |  | II. Long-term liabilities | 
 |  |  |  |  |  |  |  
                    | |  | 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 | 
 |  |  |  |  |  |  |  
                    | |  | 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 | 
 |  | 53,726 | 53,099 | 54,185 | 54,899 | 56,436 |  
                    | |  | I. ShareHolder's equity | 
 |  | 53,726 | 53,099 | 54,185 | 54,899 | 56,436 |  
                    | |  | 1. Owner's investment capital | 
 |  | 50,000 | 50,000 | 50,000 | 50,000 | 50,000 |  
                    | |  | 2. Share capital surplus | 
 |  | 27 | 27 | 27 | 27 | 27 |  
                    | |  | 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 | 
 |  | 1,274 | 1,662 | 1,888 | 2,251 | 2,670 |  
                    | |  | 9. Financial reserve funds | 
 |  |  |  |  |  |  |  
                    | |  | 10. Other funds belonging to owner's equity | 
 |  |  |  |  |  |  |  
                    | |  | 11. After tax undistributed profit | 
 |  | 2,426 | 1,411 | 2,271 | 2,621 | 3,739 |  
                    | |  | - After tax undistributed profit accumulated to the end of prior period | 
 |  |  | 3 | 1 |  |  |  
                    | |  | - Profit after tax undistributed this period | 
 |  | 2,426 | 1,408 | 2,270 | 2,621 | 3,739 |  
                    | |  | 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 | 
 |  | 63,977 | 64,126 | 63,837 | 65,643 | 70,661 |      
    There is no report. |  |