Shaoxing, Zhejiang, China,
We are the main supplier for all kinds of API tubular products inChina. Our 5CT Casings, Tubings, Couplings,API 7 Drill Pipes, Collars and other accessories. We alway*port to Middle East Countries, South Counties, AfricanCountires. ...
api casing, tubing, coupling, thread protector, drill pipes, drill collars, rock bits