→ ISO9001:2000 international quality management system certification in 2003；

→In June 2004, unleaded operations were carried out to meet ROHS production；

→ June 2008, through the ISO 14001:2004 environmental management system certification；

→ June 2009, through the ISO 9001:2008 international quality management system certification；

→ July 2015, through the ISO/TS 16949:2009 quality management system certification；