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,
Pressing
...