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.