Business scope: Oil Drilling Equipment And Accessories,
Wood,
Commodity Import And Export,
Oil Pipe,
Drill Tool Joint,
Petroleum Drilling Technology Development And Promotion Services,
Building Materials,
Drilling Equipment Maintenance,
General Mechanical Parts,
Oil,
Rubber Products,
Hardware Products,
Mechanical Parts Processing,
Natural Gas Engineering Technical Services,
Wholesale And Retail,
Chemical Products,
Instrumentation,
Plastic Products,
Steel,