... cold rolled-galvanized Hot rolled-cold rolled-galvalume/AluzincSurface treatment of prepainted steel coil Mini/regular/big/zero ... spangle,Chromate treatment/chromate-freeTreatment/untreated unoile/oiled,Tension level skin ... anti-fingerprint,Coating,colorMini/regular/big/zero spangle,Chromate treatment/chromate-freeTreatment/untreated unoile/oiled,tension level,skin ...