... ,delivery and erection of the Prefabricated(pre-engineered) Steel Building Project Specs Steel Structure for India BALCO 4*300MW Coal-firing Power ... Place of OriginShandong, ChinaStandardGB,ASTM,DIN,JIS,BS,AISITypeHeavy Duty, steel structure, Steel ConstructionWeldingSubmerged arc welding, carbon dioxide arc, electro-slag weldingCurrency ...