Iyo ine ruvara-yakavharwa simbi ndiro chigadzirwa chakagadzirwa neinotonhora-yakakungurutswa simbi ndiro uye galvanized simbi ndiro se substrate, mushure mekugadzirwa kwepamusoro, uchishandisa copper coating + kubika process, kupeta neinoenderera nzira, kubika uye kutonhora. Kune akawanda marudzi ecolour-coa...
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