... . 3.Long service life expectancy. Products:Polyethylene or Epoxy coated steel pipeNormal size:1/2"-24"Pipe type:Seamless,Welded,SpiralWall ... Water,petroleum,gas and chemical transportation.Package:plastic pipe cap,steel strips bundledDelivery time:Within 7-30 days after receiving ... Ms.Caroline Gao Tel:86 539 8015778, 86 13665394058 Composition: Steel pipe, inner and outer PE coating (or EP coating) ...