Oil and gas extraction professional and ancillary activities
Business scope: Chemical Product Sales,
Technical Services,
Technology Development,
Technical Consulting,
Technology Exchange,
Technology Transfer,
Technology Promotion,
Machinery Sales,
Industrial Internet Data Service,
Engineering And Technology Research And Experimental Development,
Special Equipment Repair,
Earthquake Service,
Instrument Repair,
Internet Of Things Technology Services,
Fire Technical Service,
Information Technology Consulting Services,
Environmental Consulting Services,
Sewage Treatment And Its Reuse,
Non Residential Real Estate Leases,
Machinery And Equipment Leasing,
Network Technology Service
...