Product Name:Roofing roof galvanized corrugated sheets
Spangle:zero spangle,regular spangle,mini spangle,big spangle
Surface treatment:Chromated and oiled or non-oiled
Hardness:Soft,half hard and hard
CREDIT STEEL INDUSTRIAL has 4 factorys, which located in Tianjin city and Heibei province, boasts its more than 500 staffs; professional technicians more than 100 people; owned 12 advanced production lines, full of inspection equipments and supporting energy saving facilities.