Tubing

1)Size:1.900, 2-3/8, 2-7/8,3-1/2, 4-1/2,

2) Grade: J55, K55, N80, L80, C90, T95, P110

3) Length: R1, R2, R3

4) Connection :8RD&10RD

5) Standard: API 5CT

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