1. Executive standards: API spec 5CT, API spec 5B
2.Specification range: 2-3/8″, 2-7/8″, 3-1/2″, 4″, 4-1/2″, 5″, 5-1/2″, 6-5/8″, 7″, 7-5/8″, 8-5/8″,9-5/8″,10-3/4″, 11-3/4″, 13-3/8″, 16″, 18-5/8″, 20″ WT: 4.24-16.13mm
3. Materials: J55, K55, N80, L80, C90,T95, P110 and Q125
4. T&C: EUE, NUE, STC, LTC, BTC and Premium connection
5. Testing: NDT etc related rules of API 5CT and 5B
6. Packing: By bundles, seaworthy packing.
7. Application: Connecting two oil tubing or casing pipes.
