Business scope: Downhole Working Tools,
Cable,
Equipment,
Metallic Material,
Import And Export,
Screw Pumps And Surface Drives,
Screw Pumps And Surface Drives,
Equipment Leasing,
Salvage Tools,
Restoration And Sales,
Pressure Piping Components,
Oil Drill Pipe,
Rubber Products,
Own House Rental,
Pipeline Construction,
Hollow Rod,
Green Facilities,
Electronics,
Pdc Bit,
Gas Equipment,
Production And Sales Of Petroleum Machinery And Equipment
...