Welded Steel Pipe (O. D219.1mm-660.4mm) Hebei Changfeng Steel Tube Manufacturing Group Co., Ltd. Base Info Type:WeldedTechnique:ERWUsage:Pipeline TransportSection Shape:RoundTrademark:CFSpecification:219.1-660.4Origin:ChinaHS Code:7306190000 Description Pre:Guarantee 20years Professional Manufacturer Roofing Building Hot DIP SGCC SPCC Aluzinc Galvanized Steel Gi PPGL PPGI Coil Next:China PPGI/HDG/Gi/Secc Dx51 Zinc Coated Cold Rolled Coil/Hot Dipped Galvanized Steel Coil