... .J. etc.RUSTPROOF TREATMENTlightly oiled,galvanized,painting with different colors,just keep the flange dry and ... ,Mining,Architectural,TransportationQUALITYFirst GradePACKINGWooden cases or Wooden pallets with standard export packing, as per customers' requestCERTIFICATESISO9001 ... to requirement2.anti-corrosion and high-temperature resistant with black painting3.all the production process are made ...