Litšoaneleho tsa khase ea oli ea mokelikeli
Boholo ba boholo(OD inch): 4 1/2”—30”
Lekhalo la boholo(OD mm): 114.3—762
Standard: API SPEC 5CT , ISO11960, GOST
Bolelele: R1, R2, R3
Sehlopha sa Main Steel: H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, P110, Q125 joalo-joalo.
Mofuta oa Casing: Plain, BTC, STC, LTC, Thread Other Premium Thread.