| 1980 |
Established in Changhua of Taiwan producing various components of hardware and machinery |
 |
| 1983 |
Enlarging factory scale to expand business, adding harden chromium plated rods in production line |
| 1985 |
Manufacturing seamless honed tubes |
| 1990 |
Increasing equipments for mass productions |
| 1995 |
Opened up foreign markets, setting foot in globalization |
| 2000 |
Developing linear operation series products |
| 2002 |
Improving metallurgical process |
