Nkọwa nke mkpuchi nke ọma mmanụ
Akụkụ akụkụ (OD inch) :4 1/2”—30”
Akụkụ akụkụ (OD mm): 114.3-762
Ọkọlọtọ: API SPEC 5CT , ISO11960, GOST
Ogologo: R1, R2, R3
Main Steel ọkwa: H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, P110, Q125 wdg
Ụdị casing: Plain, BTC, STC, LTC, eri ndị ọzọ adịchaghị.