| 1988 | With Director Hsu and General Manager Hsu,set up a mold design factory,and their custom is an well-known factory in Taiwan. |
| 1992 | Own brand, ASA brand,start to produce sealing parts and marketing to all of the world. |
| 1999 | The company carried out a second expansion. |
| 2000 | Whole plant using vacuum forming sulfur machine, lower defect rate, improve production efficiency. |
| 2001 | The company was awarded by the British UKAS certification ISO9001 international quality assurance system. |
| 2004 | The company carried out a third expansion. |
| 2006 | The company promote the ISO / TS 16949 international quality management system. |
| 2007 | The company won the British SGS certified by ISO / TS 16949 international quality management system. |
| 2010 | Audited by the renowned German OEM,and passed. |
| 2013 | Started to supply products to the renowned German OEM. |
| 2014 | The company carried out a fourth expansion. |
| 2014 | The company won the British SGS certified by ISO 14001 environmental management system. |
| 2015 | The company promote ISO 50001 energy management system. |
| 2015 | The company won the British SGS certified by ISO 50001 energy management system. |
