Min. Order Reference FOB Price
10 Pieces US$5.00-50.00 / Piece
Product Description
API Downhole Casing and Tubing Pipe Couplings and Crossovers Couplings are short lengths of pipe used to connect two joints of tubing or casing pipes, which are painted with color codes on their external surface to indicate their grades. We manufacture casing and tubing couplings for many years. ...