1. Executive standards: API spec 5CT, API spec 5B
2. Specification range: 2-3/8INCH to 20INCH
3. Materials: J55, K55, N80, L80, C90,T95, P110 and Q125
4. T&C: EUE, NUE, STC, LTC, BTC and Premium connection
5. Type: PIN*PIN, PIN*BOX
6. Testing: NDT etc related rules of API 5CT and 5B
7. Packing: By bundles, seaworthy packing.
8. Application: Connecting two oil tubing or casing pipes.
