Business scope: Workover,
Import And Export Business,
Gearbox,
Oil Drilling Technical Services,
Manufacturing Of Auto Parts And Accessories,
Machining,
Drilling,
Oil Drilling Equipment,
Repair And Parts Sales,
Chemical Equipment,
Business scope: Sale,
Technology Promotion,
Instrumentation,
Production,
Sale,
Import And Export,
Technology Import And Export,
Import And Export Agency,
Technical Services,
Technology Development,
Technical Consulting,
Technology Exchange,
Technology Transfer,
Made From Metal,
R D Of Class Ii Medical Devices,
Environmental Protection And Governance Engineering,
Sales Of Agricultural And Sideline Products,
Petrochemical Products,
Oil Drilling Equipment,
Environmental Protection Equipment,
...