Hot Dipped Galvanized Steel Coil Shandong Guanxian Tongan Traffic Project Co., Ltd. Base Info Standard：GBSurface Treatment：GalvanizedTechnique：Cold Rolled Description Pre：0.13mm-1.5mm Gl-- 55% Al--Galvalume Coil for Construction Next：Zincalume Galvalume Steel Sheet in Coils
