Product description API Casing Is A Special Details Harmonized commodity: HS 730411: Iron or steel (excluding cast iron); seamless, line pipe of a kind used for oil or gas pipelines, of stainless steelCountry of origin: United StatesIndustrial sector: Distribution and commerce contact seller report a problem Supplier HUNAN BALING STEEL CO.,LTDCountry: ChinaTelephone: +86 182 1634 1633Websitehttps://baling-steel.com/