Business scope: Metallic Material,
Equipment,
Downhole Tools,
Leasing And Sales,
Processing Of Electrical Equipment,
Oil Drilling Equipment,
Technical Support,
Import And Export Business Of Goods And Technology,
Manufacturing And Sales,
Accessories Design,
Production,
Sale,
Manufacture,
Business scope: Instrumentation,
Building Materials,
Electrical Equipment,
Technology Development,
Technology Promotion,
Tools,
Maintenance And Technical Service,
Processing Of Electrical Equipment,
Oil Equipment,
Electric Equipment,
Labor Protection Supplies,
Sale Of Fertilizer,
Promotion Of,
Debugging,
Wear Resistant Material,
Office Supplies,
Insulation Materials,
Generator Set Installation,
Chemical Products And Raw Materials,
Chemical Equipment,
...