| 收益 | 31/12/2018 | 31/12/2017 | 31/12/2016 | 31/12/2015 |
| 總收益 | 22,605,000 | 22,379,000 | 21,534,000 | 21,209,000 |
| 收益成本 | 18,312,000 | 17,461,000 | 17,002,000 | 17,132,000 |
| 毛利 | 4,293,000 | 4,918,000 | 4,532,000 | 4,077,000 |
| 營運成本 |
| 研究發展 | - | - | - | - |
| 銷售、總務及行政 | 2,871,000 | 2,753,000 | 2,542,000 | 2,523,000 |
| 非經常性 | - | - | - | - |
| 其他 | 52,000 | 8,000 | 2,000 | 1,000 |
| 營運總成本 | 21,256,000 | 20,257,000 | 19,593,000 | 19,739,000 |
| 經營收入或虧損 | 1,349,000 | 2,122,000 | 1,941,000 | 1,470,000 |
| 連續營業收益 |
| 其他收益總數/支出淨額 | 62,000 | -621,000 | -238,000 | -168,000 |
| 息前與稅前盈利 | 1,349,000 | 2,122,000 | 1,941,000 | 1,470,000 |
| 利息支出 | -115,000 | -128,000 | -183,000 | -219,000 |
| 稅前收益 | 1,411,000 | 1,501,000 | 1,703,000 | 1,302,000 |
| 所得稅費用 | 258,000 | 182,000 | 465,000 | 307,000 |
| 少數股東權益 | 672,000 | 777,000 | 722,000 | 940,000 |
| 連續營業淨收益 | 1,153,000 | 1,319,000 | 1,238,000 | 995,000 |
| 非經常性活動 |
| 終止營業 | - | - | - | - |
| 特殊帳項 | - | - | - | - |
| 會計變化影響 | - | - | - | - |
| 其他項目 | - | - | - | - |
| 淨收入 |
| 淨收益 | 943,000 | 1,133,000 | 1,036,000 | 786,000 |
| 優先股和其他調整項目 | - | - | - | - |
| 適用於普通股之淨收益 | 943,000 | 1,133,000 | 1,036,000 | 786,000 |