| Non-current assets | — | — |
| Property, plant and equipment | 10,763.05a | 10,930.78a |
| Right-of-use assets | 1,938.82a | 1,960.81a |
| Intangible assets | 131.84a | 128.53a |
| Bank deposits - non-current | 1,165.92a | 6,655.45a |
| Long-term prepayments | 408.68a | 327.71a |
| Investment in an associate | 15.15a | 13.47a |
| Equity investments designated at fair value through other comprehensive income | 0a | 0.72a |
| Deferred tax assets | 112.61a | 114.17a |
| Total non-current assets | 14,536.06a | 20,131.65a |
| Current assets | — | — |
| Inventories | 6,884.95a | 6,124.74a |
| Trade and bills receivables | 6,151.33a | 5,023.64a |
| Prepayments and other receivables | 484.56a | 441.07a |
| Amounts due from related parties | 1.2a | 3.34a |
| Financial assets at fair value through profit or loss | 1,303.98a | 803.89a |
| Pledged deposits | 5.44a | 14.71a |
| Bank deposits - current | 12,871.49a | 4,471.65a |
| Cash and cash equivalents | 10,868.83a | 11,596.45a |
| Total current assets | 38,571.79a | 28,479.49a |
| Current liabilities | — | — |
| Trade payables | 1,493.02a | 1,198.21a |
| Contract liabilities | 18.9a | 23.35a |
| Other payables and accruals | 1,695.05a | 1,602.79a |
| Amounts due to related parties | 0a | 3.56a |
| Interest-bearing bank borrowings | 12,818.56a | 10,203.97a |
| Lease liabilities | 47.37a | 47.34a |
| Tax payable | 753.25a | 305.26a |
| Total current liabilities | 16,826.16a | 13,384.48a |
| Net current assets | 21,745.62a | 15,095.01a |
| Total assets less current liabilities | 36,281.69a | 35,226.65a |
| Non-current liabilities | — | — |
| Interest-bearing bank borrowings | 0a | 1,900a |
| Lease liabilities | 66.68a | 110.76a |
| Deferred tax liabilities | 362.11a | 348.58a |
| Total non-current liabilities | 428.79a | 2,359.34a |
| Net assets | 35,852.9a | 32,867.32a |
| Equity | — | — |
| Equity attributable to owners of the parent | — | — |
| Share capital | 151.2a | 151.2a |
| Reserves | 35,701.7a | 32,716.12a |
| Total equity | 35,852.9a | 32,867.32a |