Casing Chinese casing size:¢73、¢89、¢108、¢127、¢146、¢168 etc Oversea casing size:BW NW HW PW ...
Casing shoes Rods and Casing shoes connected with Rods and Casing , size :Q series AQ、BQ、NQ、HQ、PQ,Chinese standard 60、75、95、 ...
Subs Adapter and subs can be produced with all size or customers' requirement....
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