Udonga lwamakhethini ensimbi lusetshenziswa kabanzi ekwakhiweni kodonga lwamakhethini e-China, ikakhulukazi kuphrojekthi yokuhlobisa i-facade enesimo esiyingqayizivele, ngenxa yemibala yayo ehlukahlukene, izinto ezibonakalayo ezikhanyayo kanye nokusebenza okuhle kokucubungula, okungakwazi ukuzivumelanisa nezici ezihlukahlukene eziyinkimbinkimbi zokuhlobisa i-facade. Izinto zangaphezulu ezisetshenziswa udonga lwamakhethini ensimbi ikakhulukazi zimi kanje: ibhodi eliyinhlanganisela ye-aluminium, ibhodi le-aluminium elendlalelo elilodwa, ibhodi le-aluminium lezinyosi, ibhodi lokuvimbela umlilo, ibhodi le-aluminiyamu yokufaka isangweji, ipuleti lensimbi engagqwali, ipuleti lensimbi elivalwe ngombala, ipuleti lensimbi yoqweqwe lwawo kanye njalonjalo. Isizathu esiyinhloko sokuthi kungani i-metal plate iwe ukuthi umklamo wokuxhuma we-metal plate kanye ne-keel awunangqondo futhi ukufakwa akuqinile.