Casing Coupling BTC

Product Name API 5CT K55 J55 P110 Oil Tubing And Casing Pipe Coupling Material Carbon Steel/ Steel Coil Color Black Painting Or Bare Pipe Standard API5CT Grade H40/ J55/ K55/ N80 / N80Q /R95 /P110 /Q125... Dimension 4 1/2inch To 20inch Thread BTC/ STC/ LTC/ INTEGRAL-JOINT Used Oil Country Tubular Products/ Oil Well Certification ISO9001, SGS, API, GOST, BV Our Services/Warranty As a professional manufacturer, we provide follow services: 1.Lower price 2.ONE year warranty and