Business scope: Production,
Chemical Products,
Building Materials,
Auto Parts,
Equipment,
Import And Export Of Goods And Technology,
Steel,
Sales And Repair,
Development Of Oil Refining Technology,
Downhole Tools,
Automation Equipment,
Consultation Service,
Drilling Accessories,
Sales And Technical Service,
Construction Work,
Logging,
Labor Protection Supplies,
Research And Development Of Water Treatment Equipment,
Hardware And Electrical Materials,
Green Facilities,
Oil Recovery
...