1.Cov cov tub ntxhais sib koom tes siv los kho qhov siab ntawm tag nrho ntev ntawm cov tubing lossis cov hlua khawm, lawv kuj tau siv los ua qhov tob ntawm cov cuab yeej qis qis.
2.Standard: API 5CT
3.Size: 2 3/8 ″, 2 7/8 ″, 3 1/2 ″, 4 1/2 ″ thiab lwm yam
4.Grade: J55 / K55 / N80 / L80 / P110
5. Ntev: 2FT / 3FT / 4FT / 5FT / 6FT / 8FT / 10FT / 12FT