Drilling Casing

We are a reputed name in this industry as a Exporter of Drilling Casing in Beijing, China.
Description & Specification:-
Size: 4-1/2”-13-3/8”
Grade: J55,K55,N80,L80,C90,T95,P110,V150
Thread Type: STC, LTC, BTC
Length: R1, R2, R3
Standard: API Spec 5CT/ISO 11960