Business scope: Downhole Tools,
Carry Out Business Activities,
Mining Equipment,
Sales Of Machinery And Equipment,
Water Treatment Auxiliary,
Contract Energy Management,
Machinery And Equipment Leasing,
Oil Recovery Auxiliary,
Oil Drilling Equipment,
Agent Import And Export,
Drilling Aids,
Technical Services,
Technology Transfer,
Technical Consulting,
Import And Export,
Technology Import And Export,
Electronic Product,
Development Of Oil Drilling Equipment,
Business scope: Technical Services,
Technology Development,
Import And Export,
Technology Import And Export,
Sales Of Chemical Products,
Natural Gas,
Pipeline Transportation Equipment,
Carry Out Business Activities,
Special Equipment For Oil Drilling,
Oil,
Water Treatment Agent,
Coal,
Petroleum Engineering Technology Development,
Gas Turbine,
Coalbed Methane Exploration,
Drilling Aids,
Agent Import And Export,
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