Hot Rolled Coil Qinhuangdao Guoyang Steel Co., Ltd. Base Info Standard:ASTM, JIS, GB, AISI, DIN, BSCertification:ISOSurface Treatment:GalvanizedTechnique:Hot RolledApplication:Flange PlateEdge:MillStock:Stock Description Pre:Water Well Slotted / Pipe / Slotted Liner Next:Square Steel