Other unlisted professional and technical service industries
Business scope: Sale,
Household Appliances,
Electrical Equipment,
Auto Parts,
Chemical Products,
Oil Well Additives,
Research And Development Of Petroleum Machinery Technology,
Petroleum Machinery Parts Processing,
Salvage,
Rubber Products,
Petroleum Engineering Technical Services,
Drilling,
Hardware Building Materials,
Insulation And Energy Saving Products,
Petroleum Machinery And Equipment Sales,
Downhole Operation Technical Service,
Environmental Protection Material,
Computer Software Development And Sales,
Computer Consumables,
Power Material,
...