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