-1977, Hongkong Precision Metal Works Limited was established
-1985, Shenzhen Precision Electronic Metal Plastics was established
-1988, certificated by ISO9002:1994
-2000, certificated by QS9000 Quality System
-2001, certificated by ISO9001:2000
-2004, certificated by ISO/TS16949:2002
-2012, transformed into a sole proprietorship —Shenzhen Precision Metal Works Limited
- 2013, invited to join Guangdong Industrial Co-operative Association and qualified as its member
-Now, plan to build self-built industrial zone inHuizhou City,Guangdong