Business scope: Office Supplies,
Sale,
Import And Export Of Goods Or Technology,
Manufacture Of Special Equipment For Environmental Protection,
Drill,
Mud Technical Services,
Road Freight Transport,
Sales And Repair,
Electronic Control System,
Rubber Seal,
Mud Pump,
Camping House,
Metal Material Manufacturing,
Manufacturing Of Metal Chains And Other Metal Products,
Chemical Raw Materials,
Drilling Accessories,
Repair,
Well Workover Operations,
Screw Drilling Tool,
Mud Logging Technical Service,
Coiled Tubing Technical Services
...
Business scope: Workover,
Sale,
Electrical Equipment,
Law,
Geological Drilling,
Oilfield Chemicals,
Perforation,
Drilling Fluid,
Environmental Engineering Technical Services,
Cable,
Design And Sales,
Engineering Geology,
Loan And Other Business,
Research And Development,
Drilling,
Import And Export Of Goods And Technology,
Logging,
Completion,
Liquid Mineral Exploration,
Conference Services,
Coiled Tubing Technical Services
...