API 610 şahadatnamasy
CCS şahadatnamasy
CCS şahadatnamasy
CE şahadatnama-lp (t)
CE şahadatnama-s-sleri, süýt, DG, WQ
Karz reýting şahadatnamasy
ECA şahadatnamasy (SLCZ, Slug, Slugu, Slugu, Slzao, Slzao, XL, aýlar, Salg, SLD, SLD, SLD, SLD, SLD, SLD, SLD, SLD, SLD, SLD, Sald)
EOK şahadatnamasy (WQ, WQC, SLW, SLS)
Eac şahadatnamasy (WQD, WQH, WQ (II), QZ, ÇH, WH, WH, WH, WH, WH, WL, Flow (W), SlnC, Slnc, KLL, Ktl
ICg şahadatnamasy
IP şahadatnamasy
ISO9001-2015
ISO9001-2015
ISO14001 EMS CNBJ3141406-U
ISO14001-2015
ISO45001 ohsms Cnbj314807-u
ISO45001-2018
ULS laýyklyk şahadatnamasy