Other unlisted professional and technical service industries
Business scope: Sale,
Technology Import And Export,
Equipment Import And Export,
Technical Services,
Technology Promotion,
Technology Transfer,
Technical Consulting,
Manufacturing And Sales,
Chemical Materials,
Cementing Material,
Petroleum Special Equipment,
Accessories,
Research And Development,
Chemical Fiber,
Production,
Chemicals,
Instrumentation Production And Sales,
General Equipment,
Electrical Appliance,
Cementing,
Completion Fluid
...