Business scope: Drilling Tool,
Instrumentation,
Chemical Products,
Machinery Sales,
Technology Import And Export,
Cutting Tool,
Downhole Tools,
Internet Service,
Roller Bit,
Diamond Bit,
General Cargo Road Transport Services,
General Warehousing Services,
Cargo Port Services,
Assemble The Drill,
Screw Drilling Tool,
Cementing Tool,
Valve,
Special Equipment Repair,
Hardware Products,
Cementing And Fracturing Equipment,
...
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