... -5tons (Can be customized) Zinc-coating or Alu-zinc coating 60g/m2-275g/m2 Z30-Z300 Techniquehot ... dipped galvanizing , electro galvanizing, alu-zinc coating, prepainted, color coating. etc.Surface Processing regular/mini/zero spangle, ... /untreated unoile/oiled,TENSION LEVELLERT SKIN PASS anti-fingerprint/un-anti-fingerprint,Coating APPLICATIONStructural use ,roofing, commercial use, household ...