API 610 Certificate
CCS -sertifikat
CCS -sertifikat
CE Certificate-LP （T）
CE Certificate-SLS, SLW, DG, WQ
Kredittvurderingssertifikat
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), Slow, SLOU, SLNC, IS, KTL)
ICG -sertifikat
IP -sertifikat
ISO9001-2015
ISO9001-2015
ISO14001 EMS CNBJ314806-U
ISO14001-2015
ISO45001 OHSMS CNBJ314807-U
ISO45001-2018
UL Certificate of Compliance