... the Prefabricated(pre-engineered) Steel Building Project Specs Steel Structure for India BALCO 4*300MW Coal-firing Power Station Our work ... of OriginShandong, ChinaStandardGB,ASTM,DIN,JIS,BS,AISITypeHeavy Duty, steel structure, Steel ConstructionWeldingSubmerged arc welding, carbon dioxide arc, electro-slag ... /vessel in bulk or containerWelding TestingUltrosonic, X-ray Steel structure for Power Plant