API 610 Certificate
CCS Certificate
CCS Certificate
CE Certificate-LP（T）
CE Certificate-SLS,SLW,DG,WQ
Credit Rating certificate
EAC Certificate (SLCZ, SLZA, SLZAE, SLZAF, SLZAO, SLZAEO, XL, AYG, SLDA, SLDB, SLDC, SLDT)
EAC Certificate( WQ, WQC, SLW, SLS)
EAC Certificate(WQX, WQH, WQZ, WQ (II), QZ, QH, WL, S, SLO(W), SLOWN, SLOU, SLNC, IS, KTL)
ICG Certificate
IP Certificate
ISO9001-2015
ISO9001-2015
ISO14001 EMS CNBJ314806-U
ISO14001-2015
ISO45001 OHSMS CNBJ314807-U
ISO45001-2018
UL Certificate of Compliance