Business scope: Tubing,
Electrical Equipment,
Processing,
Technical Services,
Sale,
Oil And Water Well Technical Services,
Downhole Tools,
Install,
Green Project,
Car Detailing,
Architectural Decoration Engineering,
Safety Valve Calibration,
Building Intelligent Engineering,
Production,
Repair,
Petroleum Machinery Parts,
Boiler,
Metal Components,
City Labor Services,
Container,
Pipe Cleaning
...