Min. Order Reference FOB Price
100 Pieces US$25.00 / Piece
Product Description
Drill pipe and casing pipe 7" n80 ltc Casing Coupling Product Description All our products are produced and processed according to , with the materials of steel grade including J55, K55, N80, N80-1, N80-Q, L80, P110 and so on. The couplings have three types, namely STC LTC and BTC. By numerically ...