Ndi chithunzithunzi cha zinthu zachitsulo chitoliro, katundu, msonkhano, ofesi, satifiketi ndi ma lab.
Ndichiwonetsero cha zinthu za Scaffolding, stock, workshop, office, satifiketi ndi ma lab.
YOUFA ndi wothandizira wotsimikizika pa Alibaba.com.
Msonkhano wa Galvanization.
Square ndi Rectangular Steel Pipe Workshop.
Malo Oyesera okhala ndi satifiketi ya CNAS.