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