Daqing Zhongcheng Oilfield 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

Technical research and services for oil exploration and development、 Oilfield technical services、 Drilling accessories、 Development and sales of oilfield downhole tools， Computer software development and hardware maintenance； Sale： Auto Parts、 Construction machinery and accessories、 valve、 Building Materials、 wood、 steel、 Instruments、 Chemical products（ Does not contain dangerous goods or highly toxic substances）、 Plumbing accessories、 rubber products、 Hardware tools、 Power、 Office equipment and supplies、 office supplies、 Electrical Materials、 communications equipment、 Labor protection supplies、 Electronics、 Daily necessities、 lubricating oil（ Small package）、 agricultural machinery and equipment、 Firefighting equipment、 Computers and auxiliary equipment、 Wax removal equipment、 Clothing, shoes and hats， Insulation materials、 Anti-corrosion materials、 Firefighting equipment、 kitchen equipment、 sound insulation、 Dust removal equipment and components、 Car seat cushions、 Carport， Building energy-saving thermal insulation materials， Paper and cardboard containers， plastic products， glass products， Knitted textiles， bearings， Interior decoration materials， paper， carpet， wooden floor， leather products， sporting goods（Except crossbow）， stationery， mining machinery， Comprehensive work vehicles and accessories； flower、 Grass、 Seedling、 Planting and sales of wood； pump，Sales and repair of construction machinery and accessories； furniture， Metal structure、 foam plastic， measuring tools， Kitchenware, sanitary ware and daily necessities， Mechanized agricultural and gardening machinery， Sealing packing， Signage， Metal seals， mold base， Mold standard parts， Fiberglass products， asbestos products， curtain， Blockboard， rope、 Search、 cable， Gas-liquid separation and purification equipment， High-performance bio-based nylon engineering plastics， tent、 Production and sales of canvas（ Except for projects prohibited or restricted by industrial policies）； General cargo road transport； Operation and maintenance services； General equipment maintenance； Professional equipment maintenance； Import and export of goods、 Technology import and export。

Chinese Industry Category: Petroleum and Petrochemical

Chinese Industry Major Class: Oil and gas extraction

Chinese Industry Middle Class: Oil and gas production support activities

Chinese Industry Sub Class: Oilfield Services