| Non-current assets | — | — |
| Property, plant and equipment | 2.8a | 3.05a |
| Right-of-use assets | 0.44a | 0.23a |
| Intangible assets | 0.25a | 0.18a |
| Financial assets at fair value through profit or loss | 0.7a | 0.68a |
| Prepayments for purchase of property, plant and equipment | 0.02a | 0.01a |
| Total non-current assets | 4.22a | 4.16a |
| Current assets | — | — |
| Inventories | 0.65a | 0.58a |
| Trade and bills receivables | 3.17a | 3.21a |
| Prepayments, other receivables and other assets | 0.23a | 0.24a |
| Financial assets at fair value through profit or loss | 0.02a | 0.51a |
| Other financial assets | 0.75a | 1.91a |
| Cash and bank balances | 22.62a | 22.43a |
| Total current assets | 27.44a | 28.88a |
| Current liabilities | — | — |
| Trade and bills payables | 0.22a | 0.16a |
| Other payables and accruals | 2.35a | 2.38a |
| Contract liabilities | 0.02a | 0.04a |
| Convertible bonds | 0.04a | 4.18a |
| Lease liabilities | 0.02a | 0.02a |
| Tax payable | 0.05a | 0.09a |
| Total current liabilities | 2.7a | 6.86a |
| Net current assets | 24.75a | 22.02a |
| Total assets less current liabilities | 28.96a | 26.18a |
| Non-current liabilities | — | — |
| Convertible bonds | 0a | 0.04a |
| Lease liabilities | 0.06a | 0.06a |
| Deferred tax liabilities | 0.2a | 0.26a |
| Other non-current liabilities | 0.02a | 0.02a |
| Total non-current liabilities | 0.28a | 0.38a |
| Net assets | 28.68a | 25.79a |