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,
Business scope: Auto Accessories Sales,
Auto Repair And Maintenance,
Petroleum Machinery Manufacturing And Repair Engineering Design Services,
Environmental Engineering,
Professional Repair Of Special Equipment For Oil Exploitation,
Petroleum Engineering Technical Services,
Data Processing And Storage Services,
Technical Service For Energy Saving Products,
Serve,
Energy Technology Development,
Technical Services For Oil And Gas Exploration And Development,
Natural Gas Engineering Technical Services,
Chemical Products,
Technical Services,
Technical Consulting,
Software Development,
Auto Parts,
Other unlisted professional and technical service industries
Business scope: Completion,
Monitor,
Equipment,
Chemical Products,
Perforation,
Oilfield Chemicals,
Oilfield Waste And Water Treatment Engineering Technical Services,
Drilling,
Logging,
Import And Export Of Goods And Technology,
Earthwork,
Precursor Chemicals,
Precursor Chemicals,
Machinery And Equipment Leasing,
Labor Dispatch Service,
Cable,
Environmental Engineering Technical Services,
Manufacturing And Sales,
Installation Modification And Repair Of Special Equipment,
Monitor,
Natural Gas Engineering Technical Services
...