Izindlu ze-GS seziphumelele isitifiketi se-ISO9001-2015 sokuphathwa kwekhwalithi yamazwe ngamazwe, i-Class II qualification yenkontileka yobungcweti yobunjiniyela besakhiwo sensimbi, i-Class I qualification yokwakhiwa kwensimbi yokwakha (udonga) nokwakhiwa, i-Class II qualification yemboni yezokwakha (ubunjiniyela bokwakha) design, Iziqu ze-Class II zomklamo okhethekile wesakhiwo sensimbi ekhanyayo.Zonke izingxenye zezindlu ezakhiwe yizindlu ze-GS zaphumelela ukuhlolwa kochwepheshe, ikhwalithi ingaqinisekiswa, siyakwamukela ukuthi uvakashele inkampani yethu
