General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Electronics sales, Machinery and equipment sales, Instrument sales,Office equipment sales, Electronic components wholesale, Firefighting equipment sales, Sales of liquid and gas sealing components and systems, CNC machine tool sales, Sales of rail transit engineering machinery and parts, Sales of environmental emergency testing instruments, Electronic components retail, Pump and vacuum equipment sales, Mechanical parts、 Parts Sales, Display device sales, Sales of special equipment for environmental protection, Sales of pneumatic power machinery and components, Gas compression machinery sales, gas、 Liquid separation and purification equipment sales, Sales of spray guns and similar equipment, Mining machinery sales, Weighing equipment sales, Drawing、 Sales of computing and measuring instruments, Sales of special instruments for environmental monitoring, Industrial control computers and systems sales, Supply of commercial instruments and meters, Copy and offset printing equipment sales, fan、 Fan Sales, Electronic vacuum device sales, Sales of electronic components and electromechanical components, Sales of special electronic equipment, Electronic measuring instrument sales,Sales of electrical instruments and meters, Gears and gear reduction、 Transmission Sales, Computer equipment sales, Refrigeration、 Air conditioning equipment sales, Sales of hydraulic power machinery and components, Sales of metallurgical equipment, Import and export of goods, Manufacturing of special equipment for environmental protection, Cultural supplies and equipment rental, Car wash equipment sales, Fiber Optic Sales, Sales of machine tool functional parts and accessories, Construction machinery sales, Sales of metal wire ropes and their products, Gears and gear reduction、 gearbox manufacturing, bearings、 Gear and transmission component manufacturing, Sales of high-speed precision gear transmission devices, Sales of daily chemical products, Paint sales( No hazardous chemicals), Specialty chemical product sales( No hazardous chemicals), Clothing and accessories wholesale, Clothing and accessories retail, Electrical equipment sales, Mechanical and electrical equipment sales, Pump and vacuum equipment manufacturing, Gas compression machinery manufacturing, Sales of generators and generator sets, Optical instrument sales, Metal material sales, Sales of distribution switch control equipment, Electrical equipment repair, General equipment repair, Instrument repair, Plastic product sales, Rubber product sales, electric wire、 Cable Operations, Hardware wholesale, Hardware product manufacturing, Lubricant sales( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)