... material: black steel,galvanized steel,stainless steel various shape customerizd Special steel profileThickness: 1mm to 12mmMaterial: black steel, galvanized steel, stainless steel various shape customizedSpecial steel profile is available ... .) ,different kinds of pipes (like Seamless Steel Pipe ,Welded Steel Pipe ,Square/Rectangle Steel Tube etc.) ,Light/Heavy Steel Rail and so on . We also ...