Business scope: Commercial Service,
Oilfield Drilling Technology Services,
Detection,
Operating The Mechanical And Electrical Products Produced By The Company,
Complete Sets Of Equipment And Related Technologies,
Business,
Centrifugal Cast Tube,
Import And Export Of Spare Parts And Technology,
Casting,
Laundry Service,
Information Consulting,
Machinery Products,
Own House Rental,
Import And Export,
Car Rental,
Oil Pipeline,
Hoisting,
Drill Rental,
Pig Iron,
Sales Of Oil Drilling Tools,
...