| 2021 | 2020 | 2019 | 2018 | 2017 | |
| 千港元 | 千港元 | 千港元 | 千港元 | 千港元 | |
| 业绩 | |||||
| 收入 | 98,114 | 112,747 | 165,727 | 137,685 | 182,272 |
| 销售及服务成本 | 45,979 | 57,534 | 74,365 | 63,315 | 78,498 |
| 毛利 | 52,317 | 55,213 | 91,362 | 74,370 | 103,774 |
| 毛利率 | 53% | 49% | 55% | 54% | 57% |
| 年内(亏损)╱溢利 | (21,323) | (20,223) | (8,259) | (23,547) | 5,689 |
| 边际纯利 | (22%) | (18%) | (5%) | (17%) | 3% |
| 资产及负债 | |||||
| 总资产 | 101,699 | 121,458 | 145,866 | 158,212 | 181,743 |
| 总负债 | 20,257 | 20,140 | 27,083 | 30,338 | 28,042 |
| 总权益 | 88,442 | 101,318 | 118,783 | 127,874 | 153,701 |