Business scope: Oil And Gas Exploration And Production Technology Research And Services,
Water Blocking And Profile Adjustment Construction,
Import And Export Of Goods Or Technology,
Downhole Tool Repair Services,
Mud Logging Technical Service,
Oil And Gas Well Repair,
Fracturing Construction,
Sand Control Services,
Downhole Operation Technical Service,
Nitrogen And Nitrogen Foam Technical Services,
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,
...