| Year ended 31 December | |||||
| 2015 | 2016 | 2017 | 2018 | 2019 | |
| RMB'000 | RMB'000 | RMB'000 | RMB'000 | RMB'000 | |
| Revenue | 390,027 | 321,449 | 447,927 | 328,155 | 446,426 |
| Cost of sales | (224,619) | (194,515) | (277,302) | (230,031) | (358,697) |
| Gross profit | 165,408 | 126,934 | 170,625 | 98,124 | 87,729 |
| Other income and other gains/(loss), net | 718 | (4,023) | 5,532 | 3,240 | (359) |
| Distribution costs | (38,695) | (43,905) | (66,737) | (60,572) | (84,764) |
| Administrative expenses | (67,593) | (67,020) | (65,524) | (75,290) | (75,302) |
| Net impairment losses on financial assets | (16,544) | (38,315) | (19,153) | (24,238) | 34,768 |
| Operating profit/(Loss) | 43,294 | (26,329) | 24,743 | (58,736) | (37,928) |
| Finance (costs)/income, net | (931) | 378 | 3,614 | 9,622 | 8,853 |
| Share of profit of associates | - | - | - | 472 | 2,164 |
| Profit/ (Loss) before income tax | 42,363 | (25,951) | 28,357 | (48,642) | (26,911) |
| Income tax (expense)/credit | (11,575) | (2,548) | (7,200) | 230 | (8,165) |
| Profit/(Loss) for the year | 30,788 | (28,499) | 21,157 | (48,412) | (35,076) |
| Profit/(Loss) for the year attributable to: | |||||
| Owners of the company | 30,788 | (28,499) | 21,157 | (48,412) | (35,076) |
| Non-controlling interests | - | - | - | - | - |
| 30,788 | (28,499) | 21,157 | (48,412) | (35,076) | |