Sertifikat API 610
Certificate CCS
Certificate CCS
Certificate-lp (t)
Certificate-SLS, slw, dg, wq
Sertifikat rating kredit
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, SLO), Slogg, Slnc, yaiku KTL, yaiku, KTL, yaiku KTL, yaiku, KTL,
Sertifikat ICG
Certificate IP
Iso9001-2015
Iso9001-2015
Iso14001 EMS CNBJ314806-U
Iso14001-2015
Iso45001 ohsms cnbj314807-u
Iso45001-2018
Sertifikat Ul Certificate