1982
In 1982 the company was established
1998
In 1998, passed the ISO9002 quality system certification of Rheinland company
2000
Passed QS9000, VDA6.1 international and other tripartite certification in 2000
2003
In 2003, passed the ISO14001 environmental management system certification and ISO9001:2000 quality system certification
2004
In 2004, the shock absorber business department was established
2004
Passed ISO:14001 in 2004
2005
In 2005, passed the TS16949 system certification of Rheinland company
2007
In 2007, the Shanghai branch was established, and the Zhelin R&D center and precision machining production base were established.