Daqing Keyu Petroleum Technology Development Co., Ltd

International Industry Category: Scientific research and technical services

International Industry Major Class: Research and experimental development

International Industry Middle Class: Engineering and technology research and experimental development

International Industry Sub Class: Engineering and technology research and experimental development

Oil drilling technology development consulting and services； Energy-saving technology promotion services； Construction machinery research and development； Information system integration services； Research and Development、 Development、 Production、 Sale： Instruments； Sale： Electronics， steel， Industrial and mining accessories， Downhole Tools， Drilling accessories， Standard parts， Wires and cables， Hardware tools， Electrical Materials， Building Materials， Auto Parts， explosion-proof equipment， Signage， rubber products， Mechanical equipment， valve， High and low voltage electrical appliances， Oil drilling equipment and accessories， Water treatment equipment and accessories， Diesel engines and accessories， Distribution switch control equipment， kitchen utensils， air conditioner、 Refrigeration equipment， stationery， Safety、 Automated monitoring equipment， Firefighting equipment， communications equipment（ Does not include ground satellite receiving equipment）， Construction machinery and accessories， Construction machinery and accessories， Electric heating cables and heating tapes， fastener， Pipe fittings， Pumps and accessories， transformer， frequency converter， motor， sound insulation、 thermal insulation materials， welding rods， agricultural machinery， Motor accessories， heat exchanger， Home appliances， office supplies， Decorative materials， bearings， glass products， ceramic products， plastic products， mold base， lighting equipment， electric light source， Fracturing truck accessories， Tractor accessories， Production of electronic components、 Repair and sales； Production、 Sale： Knitted textiles， Clothing, shoes and hats， tent、 canvas； Mechanical equipment processing, cleaning and maintenance（ Except special equipment）， Mechanical equipment manufacturing； Metal scrap and chip processing； Auto Repair and Maintenance； Sales and leasing of special equipment for environmental protection； Chemical products（ No hazardous chemicals、 Flammable, explosive and highly toxic substances） Processing and sales（ Industrial policy prohibitions、 Except restricted items）。

Chinese Industry Category: Mechanical equipment

Chinese Industry Major Class: Special equipment manufacturing

Chinese Industry Middle Class: Manufacturing of special equipment for mining, metallurgy and construction

Chinese Industry Sub Class: Oil and gas drilling equipment manufacturing