| Year | Events |
| 1973 | JMC was established. |
| 1997 | QS 9000 Certified |
| 2001 | ISO 14001 Certified |
| 2003 | ISO 9001 Certified |
| 2007 | OHSAS 18000 Certified |
| 2010 | TS 16946 Certified |
| 2015 | 1. Public Offering of Stocks Approved in August 2. Listed on Taiwan OTC Stock Market in September |