Min. Order Reference FOB Price
100 Pieces US$3.00 / Piece
Product Description
API Threading Oil Tubing Coupling 2-7/8" for Oil Drilling in The Oilfield Well 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 ...