Min. Order Reference FOB Price
100 Pieces US$1.90 / Piece
Product Description
OCTG API casing and tubing coupling sucker rod 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 ...