API 5CT REGULAR UPSET COUPLINGS FOR TUBING 2-3/8″N80Q EU

1. 2-3/8” N80Q EU API 5CT Tubing Couplings. 2. Coupling stock, threading, coating& any other process included during production shall be by a certificated API Licensed holder. 3. The product specifications of our company are from 2-3/8 to "20, we all can manufactured by ourselves. 4. Technical Standard: API 5CT 9th or API 5CT 10th, API 15B or API 16B,or  according to the customers' request.