Specifications
Special in making big size spiral steel pipe ,insulation pipe ,Anti-corrosion steel pipe,the diameter 219-2432mm,thickness5-32mm
Special in making big size spiral steel pipe ,insulation pipe ,2PE Anti-corrosion steel pipe,3PE Anti-corrosion steel pipe ,2PP Anti-corrosion steel pipe,3PP Anti-corrosion steel pipe,the diameter 219-2432mm,thickness5-32mm