... 2--12M , according to customers' requirementsSurface treatmentoiled,painting color,hot dipped galvanized,pre-galvanized International Standard ISO 9001 ... EnergyTechnique:Welded, cold drawn, hot rolled, cold rolledPackingA.Hexagonal water proof packing B. Packed by steel bands each bundle, ... dayKind attention; Now we are exporting hot glvanized water pipe to Dubai,Liberia,Singapore,Thailand,Yemen,Fiji, ...