Business scope: Office Supplies,
Instrumentation,
Building Materials,
Chemical Products,
Electronic Product,
Household Appliances,
Daily Necessities,
Downhole Tools,
Decoration Material,
Petroleum Equipment And Accessories,
Crafts,
Clothing And Shoes,
Wire And Cable,
Petroleum Engineering Technical Services,
Lubricating Oil,
Import And Export Of Goods And Technology,
Business scope: Building Materials,
Production And Sales,
Production And Sales,
Steel,
Labor Insurance,
Standard Parts,
Instrumentation,
Office Supplies,
Office Equipment,
Electrical Automation Equipment,
Petroleum Machinery And Equipment,
Valve,
Daily Necessities,
Petroleum Engineering Technical Services,
Energy Saving And Environmental Protection,
Stationery Sales,
Interior And Exterior Decoration,
Ordinary Mechanical Equipment Processing,
Pipe Fittings,
Import And Export Of Goods And Technology,
...
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,
Business scope: Sale,
Wire And Cable,
Automation Control System,
Special Equipment For Oil Drilling,
Downhole Tool Research And Development,
Research And Development Of New Energy Vehicles,
Data Collection System,
Petroleum Engineering Technical Services,
Drilling Accessories,
Research And Development Of New Energy Technology,
Energy Contract Management,
Solid Waste Management Service,
Manufacture,
Electrical Accessories,
Photovoltaic Technical Service,
Electronics,
Complete Set Of Electrical Appliances,
Computer Hardware System,
Electronic Product,
Manufacture,