| Tubing | Standard | API SPEC 5CT |
| Steel Grade | J55, K55, N80, L80, C90, T95, P110 | |
| Dimension | 1.9"--4 1/2" | |
| Connection | NUE, EUE | |
| Casing | Standard | API SPEC 5CT |
| Steel Grade | J55, K55, N80, L80, C90, T95, P110, Q125, V150 | |
| Dimension | 4 1/2"--20" | |
| Connection | BTC, STC, LTC, TPCQ , Exchange premium thread(Vam&vam top, Hunting ) | |
| Pipe Line | Standard | API SPEC 5L |
| Seamless Pipe | Steel Grade | B, X42, X52, X60, X65, X70, X80 |
| Dimension | 1/2"--24" | |
| Process | Hot Rolling, Hot Expanding, Cold Drawn | |
| Welding Pipe | Steel Grade | B, X42, X52, X60, X65, X70, X80 |
| Dimension | 2"--48" | |
| Process | SSAW, SAWL, ERW, HFW | |
| Anti-corrosive | Standard | DIN30670 |
| Dimension | 4"--56" | |
| Process | FBE, 2PE, 3PE, 2PP, 3PP |







