1. 3-1/2″P110 EU API 5CT Tubing Couplings.

2. Place of Origin: Xuzhou City, China.

3. The product specifications of our company are from 2-3/8 to “20″, and the steel grade is from J55 to Q125, covering all full series and steel grades.

4. Quantity: As the customers’ request.

5. Invoice: Based on actual quantity shipped.