Computer software and hardware technology development, technology transfer, technical services; Economic and trade consultation, health information consultation, enterprise management services, technology promotion services; Conference services, graphic design; Designing, producing, acting and publishing domestic advertising business; Cultural and artistic exchange activities planning; Wholesale and retail: electronic products, stationery, daily necessities, medical devices; Telecommunication business operation and medical consultation service (excluding diagnosis and treatment activities); Family patient accompany service; Nursing institution services; Maintenance and leasing of medical devices.

Manufacturing and sales of high, medium and low pressure valves, casing parts and parts; operating goods and technology import and export; hardware tools, mechanical and electronic equipment and accessories, abrasive tools, pipes, steel, rubber products, wires and cables, electronic products, instrumentation, Sales of metal materials, plastic products, auto parts, high and low voltage electrical appliances, pumps, castings, large castings and forgings; solar power generation. Fluid equipment testing, maintenance and technical consulting services; mechanical and electrical equipment, valve industrial automation equipment manufacturing, testing and maintenance. (Projects that are subject to approval in accordance with the law can be operated only after being approved by relevant departments.)

Motors, fans, mills, compressors, pumps, machine tools, tools, speed governors, valves, hydraulic equipment, excitation systems, insulating material products, wires and cables, instrumentation, metal structural parts, mechanical and electronic equipment, new energy equipment , Intelligent electrical equipment, photoelectric equipment, HVAC equipment technology development, technology transfer, technical services, technical consulting, manufacturing, maintenance, sales; electrical engineering construction; machinery equipment leasing, self-owned house leasing; mechanical and electronic equipment installation, commissioning ; Self-support and agency for the import and export of various commodities and technologies, except for those commodities and technologies that are restricted by the state or prohibited from import and export. (Projects that are subject to approval in accordance with the law can be operated only after being approved by relevant departments.)

New product development, technical consulting, design, manufacturing, construction, product after-sales installation and commissioning and general contracting of heavy machinery engineering and casting, forging and welding products such as nuclear power, petrochemical, metallurgy, forging, mining, electric power and military products; natural gas and other new energy equipment , Cold chain logistics and trade, technical consulting, design, manufacturing, construction, transportation and general contracting of logistics business; technical consulting and design of environmental protection equipment projects such as garbage disposal, desulfurization and denitrification, seawater desalination, comprehensive utilization of straw, and waste tire recycling , Manufacturing, construction, product after-sales installation and commissioning and general contracting; technical consulting, design, manufacturing, and product after-sales service for modern, intelligent, and large-scale agricultural m

Production and sales: Class I and II medical equipment, decocting machines; Sales: Class III medical equipment, electronic equipment, rehabilitation equipment, electronic equipment, fitness equipment, health care equipment; "Import and export business of goods and technology" ( Except for goods and technologies that must be approved by national laws and regulations, or prohibited to be imported or exported).

Distribution: cars, auto parts, used cars, lubricating oil (finalize the packaging); Car rental; Motor vehicle charging pile charging retail; Power supply service (for projects subject to approval according to law, business activities are allowed to be carried out after approval by relevant departments); Installation (repair and trial) of electric power facilities (for projects subject to approval according to law, business activities may be carried out after approval by relevant departments); Motor vehicle maintenance and operation (for projects that are subject to approval according to law, business activities are allowed to be carried out after approval by relevant departments); General cargo transportation (for projects subject to approval according to law, business activities can only be carried out after approval by relevant departments); Telecom business operation (for projects subject to approval according to law, business activities can only be carried out after approval by re

Plastic packaging boxes and containers, daily-use plastic products, foamed plastic products, plastic parts and other plastic products, metal packaging containers and materials, packaging and decoration and other printed products, bamboo products, paper products, packaging cartons and cardboard containers, plastic filaments Manufacture and sales of, rope and woven products, plastic film, construction wood and wood components; road transportation of general goods

Software development

Chongqing Yuzheng Technology Co., Ltd. (hereinafter referred to as

Develop, develop, produce and sell petroleum drilling tools products and accessories, down-the-hole drill bits and impactors, and other drilling and production tools, and provide mechanical processing and heat treatment services, technical consulting, technical services, product leasing services, and goods Import and export, technology import and export.

Production and sales of petroleum machinery and equipment, sucker rods and their accessories, sucker pumps and their accessories; sucker rod repairs, sucker pump repairs; hollow sucker rods overhaul and cable maintenance services; electric heating oil extraction equipment production, sales and maintenance; pipeline equipment, Manufacturing of mechanical equipment and pressure pipeline components; design and manufacturing of gas equipment;; pipeline anticorrosion and heat preservation and related products; pressure vessel production and design; self-operated import and export business (operated with the registration certificate of the production enterprise's self-operated import and export business right); anticorrosion Thermal insulation engineering; housing leasing; scrap tubing, sucker rods (including polished rods, hollow rods, weighted rods, torque rods, couplings, etc.), oil pumps and their accessories recovery and repair; sales of cables and cable distribution cabinets (subj

Technology development, technology transfer, technical consulting, technical services; advertising industry; manufacturing according to commissioned processing contracts: marking machines, coding machines, brackets, main control cabinets, spare parts, conveyor lines, other processing; assembly coding machine equipment; software Development; computer system integration; wholesale and retail: mechanical equipment and accessories, computer software and hardware and consumables, hardware and electrical appliances, lighting equipment, communication equipment, building materials, decorative materials, metal materials (excluding rare and precious metals), daily necessities, stationery , Office supplies, sporting goods; machinery equipment rental; computer equipment maintenance; operations without storage facilities: methyl ethyl ketone, methyl ethyl ketone, acetone, ethanol, methanol, formaldehyde solution, butylene glycol, butene (dangerous chemical The product operating license is valid unt