Galvanized steel coil grade:Q195-Q345,SS400,SPHC,A36,S235JR,S355JR thickness ... skin passsteel grade: Q195-Q345,SS400,SPHC,A36,S235JR,S355JR, SGCC, SGCD, CS, FS, SS, DX51D+Z DX52D+Z,S200GD, ... pipes, mechanized refrigerated warehouse, etc. Process flow: Hot rolled steel coil → acid picking → cutting →rolling→ continue hot-dipped zinc-coated→hot-dip zinc-coated steel coil → Weighing → Inspecting→ packing ...