Kaum ib hlis 1989, tuam txhab tsim, tsim steel chaw ua hauj lwm rooj tog, tshwj xeeb steel SAFE series.
-2003 -
Peb Hlis 2003/Apr.Xyoo 2010, tau sau npe los ntawm Lub Xeev Kev Tswj Xyuas Kev Lag Luam thiab Kev Lag Luam ntawm Cov Neeg Sawv Cev ntawm Tuam Tshoj (SAIC)
- xyoo 2006 -
Plaub Hlis Ntuj 2006, dhau lawmTuam Tshoj Compulsory Certification(CCC, Kev Nyab Xeeb series)muab los ntawmTuam Tshoj Certification Center for Security thiab Protection (CSP)
- xyoo 2006 -
TsibXyoo 2006mus txog lub Tsib Hlis 2018,dhau ISO9001version2000/2008/2015 tawm los ntawmXingyuan Certification Center (XQCC)
- xyoo 2007 -
Jan.2007 - Peb 2018,dhau ISO14001version2004/2015 los ntawmXingyuan Certification Center (XQCC)
- xyoo 2008 -
Lub Yim Hli 2008, dhau losTuam Tshoj Compulsory Certification(CCC, Kev Nyab Xeeb series)muab los ntawmTuam Tshoj Certification Center for Security thiab Protection (CSP)
- xyoo 2008 -
Lub Xya hli ntuj 2008, Export lag luam tuam txhab tsim lub npe "Luoyang Ridangwu Comercial Trading Co., Ltd."
- xyoo 2010 -
Plaub Hlis Ntuj 2010 Class A ntawm Labor Security tau txais txiaj ntsig los ntawmBureau of Human Resources thiab Social Security ntawmYanshi, Luoyang,Tuam Tshoj