... rolled-cold rolled SURFACE TREATMENTMini/regular/big/zero spangle, ,Chromate treatment/ chromate-free treatment/ untreated Unoile/ oiled ,TENSION LEVELLERT SKIN PASS anti-fingerprint ... /Un-anti-fingerprint, coating…Mini/regular/big/zero spangle, ,Chromate treatment/ chromate-free treatment/ untreated Unoile/ oiled ,TENSION LEVELLERT SKIN PASS anti-fingerprint ...