| time | awards |
| 2018 | passing iatf 16949： 2016 environment managing system new version bv certification. |
| 2018 | passing the iso 9001：2015 quality managing system new version bv certification. |
| 2017 | passing iso 14001： 2015 environment managing system new version sgs certification. |
| 2013 | passing ohsas 18001：2007 occupational safety sanitation managing system dnv certification. |
| 2010 | passing iso/ts 16949： 2009 environment managing system new version bv certification. |
| 2010 | passing the iso 9001：2008 quality managing system new version bv certification. |
| 2010 | passing ohsas 18001：2007 occupational safety sanitation managing system dnv certification. |
| 2005 | passing iso 14001： 2004 environment managing system new version dnv certification. |
| 2004 | passing ohsas 18001：1999 occupational safety sanitation managing system dnv certification. |
| 2003 | passing the iso 9001：2000 quality managing system new version dnv certification. |
| 2000 | passing qs 9000： 1998 quality managing system dnv certification. |
| 1999 | passing iso 14001： 1996 environment managing system dnv certification. |
| 1997 | passing the iso 9002：1994 quality managing system dnv certification. |
| 1991 | passing the ul united states safety foundation laboratory certification. |
