Large voliyumu kanasonkhezereka waya amapangidwa apamwamba otsika mpweya zitsulo waya ndodo processing, amapangidwa ndi apamwamba otsika mpweya zitsulo, pambuyo kujambula akamaumba, pickling dzimbiri kuchotsa, kutentha annealing, kuzirala ndi njira zina.Waya wopangidwa ndi galvanized ali ndi kulimba bwino komanso kukhazikika, kuchuluka kwake ...
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