Business scope: Scrap Metal Material Acquisition,
Petroleum Machinery Manufacturing,
Ocean Engineering Equipment Manufacturing,
Precision Forging,
Sale,
Steel Sales,
Business scope: Sale,
Building Materials,
Chemical Products,
Metallic Material,
Import And Export Of Goods Or Technology,
Magnetic Material,
Downhole Operation,
Electric Wire,
Labor Service,
Petroleum Engineering Technical Services,
Petroleum Drilling Technology Consulting Services,
Rubber Products,
Hardware Products,
Cable,
Special Equipment Rental,
Fire Equipment,
Repair,
Petroleum Equipment,
Precursor Chemicals And Flammable And Explosive Items,
General Cargo,
Petroleum Machinery Manufacturing
...
Business scope: Soft Foundation Engineering,
Plastic Drain Board,
Sale,
Sale,
Road Subgrade Engineering,
Earthwork,
Construction Machinery,
Vacuum Preloading Project,
Mining Machine,
E S,
Waste Rubber,
Sales Of Industrial Textile Products,
Geotextile,
Waste Plastic,
Manufacture Of Technical Textile Products,
Foundation And Foundation Engineering Construction,
Productive Scrap Metal Recycling,
Petroleum Machinery Manufacturing,
Geomembrane Sales,
Business scope: Sale,
Workover,
Sale,
Delivery,
Mining Machine,
Sales Of Petroleum Special Instruments,
Oil Rig,
Drilling,
Logging,
Geological Logging,
Manufacture,
Petroleum Machinery Manufacturing,
Loading And Unloading,
Cementing,
Import And Export Of Goods And Technology,
Maintenance And Rental,
Business scope: Workover,
Sale,
Sale,
Sale,
Delivery,
Mining Machine,
Asset Leasing,
Installation And Construction,
Manufacturing And Sales,
Steel Structure Design,
Installation Commissioning And Complete Project General Contracting,
Installation Commissioning And Complete Project General Contracting,
Logging,
Geological Logging,
Design Of Special Equipment,
Manufacture,
Manufacture,
Petroleum Machinery Manufacturing,
Loading And Unloading,
Make,
...
Business scope: Production,
Sale,
Test,
Cold Storage Rental,
Thickener,
Hazardous Chemicals,
Unplugging Oil And Water Wells,
Machinery Parts,
Ceramsite,
Drilling Tools,
Petroleum Machinery Manufacturing,
Resin Sand,
Sand Control,
Oilfield Chemical Additives,
Precursor,
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