Business scope: Auto Parts,
Sales Of Mechanical Parts,
Tubing,
Water Pipe,
Motorcycle Accessories,
Engaged In The Import And Export Of Goods And Technology,
Manufacture of special equipment for oil refining and chemical production
Business scope: Sale,
Short Section,
Coupling,
Research And Development,
Casing,
Tubing,
Line Pipe,
Processing Of Lined Corrosion Resistant Alloy Composite Steel Pipes,
Sale,
Other unlisted professional and technical service industries
Business scope: Drilling Equipment And Accessories,
Sales And Leasing Of Self Produced Products,
Tool Joint,
Welding Wire,
Engaged In The Import And Export Of Goods And Technology,
Tubing,
Drilling Tool Inspection,
Drill Pipe,
Casing,
Pipe Coating,
Drill Collar,