详情
(Drill pipe, drilling collars, Kelly)
We could offer slick drill collar, spiral drill collar,
non-magnetic drill collar, drill pipe, heavy weight drill pipe,
square kelly, hexagonal kell, round kelly, casing , tubing, etc.
All products are API certificated. our products are widely used in
oilfields all over China and exported to the United States, Canada,
the UK, Russia, Chile, Turkey, Belgium, Kazakhstan, Uzbekistan,
Pakistan, Singapore, India, Sultan, Iran, Kirghizia, Saudi Arabia
and Kuwait.
