Product description 3LPE Coated Steel Pipe Means That The Coating Of The Steel Pipe Has Three Layers, Which Are Polyethylene Or Polypropylene Outer Surface, Adhesive, And Fbe Inner Coating. Because We Need To Use Polyethylene Or Polypropylene To Wrap The Surface Of The Details Harmonized commodity: HS 730419: Iron or steel (excluding cast iron or stainless steel); seamless, line pipe of a kind used for oil or gas pipelinesCountry of origin: United StatesIndustrial sector: Energy contact seller report a problem Supplier HUNAN BALING STEEL CO.,LTDCountry: ChinaTelephone: +86 182 1634 1633Websitehttps://baling-steel.com/