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