Business scope: Import And Export,
Technology Import And Export,
Processing,
Law,
Drill Rig,
Drilling Tool,
Oil And Gas Extraction Ancillary Services,
Screen Tube,
Drill Pipe,
Pipe Fittings,
Petroleum Machinery And Accessories,
Sheet Metal Parts,
Oil Pipe,
Open Tablet,
Production,
Sale,
Technology Development,
Sale,