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: Drilling,
Pump,
Building Demolition Works,
Perforation,
Downhole Tools,
Install,
Frequency Conversion Control Cabinet,
Mechanical And Electronic Equipment,
Green Project,
Commercial Service,
Gas Compressor,
Navigation Equipment Research And Development,
Dynamo,
Motor,
Chemical Additives,
Repair,
Municipal Public Works,
High Medium And Low Frequency Converter,
Coating,
Quartz Sand,
Valve
...