Water Heating Spiral Pipe Tianjin Huayou Steel Pipe Co., Ltd. Base Info Type:WeldedTechnique:SAWUsage:Pipeline Transport, Special Purpose, Machinery Industry, Chemical Industry, MiningSection Shape:RoundSpecification:API, CE, GEOrigin:Tianjin, China Description Pre:Galvanized Steel Coil /PPGI Next:PPGI/Building Material/Metal/Prepainted Gi Structure