| Unified Business No. | 47268577 |
| Company Name (Chinese) | 鍵大工程行 |
| English Name | Jian Da Engineering romanized by inc.com.tw · no official English name registered |
| Registration Status | Active |
| Organization Type | Sole Proprietorship |
| Registered Capital | NT$ 10,000,000≈ NT$ 10 million · US$ 317,460 (approx.) |
| Paid-in Capital | — |
| Date of Incorporation | 1982-11-02 (about 44 years) |
| Representative | 李玉蘭 Li Yu-Lan · romanized by inc.com.tw |
| Industry | Piping works, 人力供應, Building cleaning services (partly Chinese; machine-assisted translation) |
| Registered Address | 新竹縣竹東鎮員山里13鄰下員山路165巷10弄5號 (map)Yuanshanli13linxiayuanshan Rd., Zhudong Township, Hsinchu County · romanized by inc.com.tw |