For attached Metal Pipe Clip Material :carbon steel Coating:zinc can cording customer's drawing to make Hongtuo ... Hot rolled ,cold rolled,strip steel ) stainless steel .etc2.Processig can be provide : stamping,bending ,welding ,threading ,frinding ,milling , ... ,nickel plate, rusty oils,electrophoresis,and so on5.Business code : building ,furniture,electriccal ,machine.and so on6.Certificate: ...