General Projects:Metal material manufacturing; Diving and salvage equipment manufacturing; Diving and salvage equipment sales; Production of labor protection products; Sales of labor protection products; clothing manufacturing; shoe manufacturing; Clothing and accessories retail; Shoes and hats retail; Instrument Manufacturing; Instrument sales; Manufacturing of special equipment for environmental protection; Sales of special equipment for environmental protection; Communications equipment manufacturing; Communications equipment sales; Sales of environmental emergency testing instruments; Lighting fixture manufacturing; Lighting fixture sales; Firefighting equipment sales; Sales of underwater systems and operating equipment; Special equipment sales; Hardware product retail; Sales of special labor protection products; Sales of Class I medical devices; Sales of Class II medical devices; Fire protection technical services; Network Technology Services; Information technology consulting services; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Traffic safety、 Controlled special equipment manufacturing; Hardware product manufacturing; Daily necessities sales; Outdoor products sales; Marine supporting equipment manufacturing; Intelligent unmanned aerial vehicle manufacturing; Glass fiber and product manufacturing; Sales of glass fiber and products; Rubber product manufacturing; Rubber product sales; Glass fiber reinforced plastic product manufacturing; Cellulose fiber raw materials and fiber manufacturing; Sales of glass fiber reinforced plastic products; Sales of high-performance fibers and composite materials; Pump and vacuum equipment manufacturing; Pump and vacuum equipment sales; Gas compression machinery manufacturing; Gas compression machinery sales; Hydraulic power machinery and components manufacturing; Sales of hydraulic power machinery and components; General valve and plug manufacturing( Excluding special equipment manufacturing); Valves and plugs sales; Pneumatic power machinery and components manufacturing; Sales of pneumatic power machinery and components; Pneumatic and electric tool manufacturing; Pneumatic and electric tool sales; Manufacture of spray guns and similar equipment; Sales of spray guns and similar equipment; General parts manufacturing; General equipment manufacturing( Excluding special equipment manufacturing); Manufacturing of special equipment for electrical machinery; Sewing machinery manufacturing; Sewing machinery sales;Agricultural machinery manufacturing; Agricultural machinery sales; Animal Husbandry Machinery Manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Manufacturing of special machinery and equipment for water resources;Motorcycle parts manufacturing; Manufacturing of special instruments for agriculture, forestry, animal husbandry and fishery; Manufacturing of geological exploration and seismic instruments; Refractory production; Mechanical equipment research and development; Security equipment manufacturing; Security equipment sales; Safety、 Manufacturing of metal products for firefighting; Import and export of goods; Technology import and export; Industrial robot manufacturing; Industrial robot sales; Intelligent robot sales; Mechanical and electrical equipment sales; Production of special labor protection products; Motorcycle and spare parts retail; Mining machinery manufacturing; Mining machinery sales; Construction machinery manufacturing; Construction machinery sales; Electronic measuring instrument manufacturing; Experimental analysis instrument manufacturing; Optical instrument manufacturing; Optoelectronic device manufacturing; Manufacturing of metal wire ropes and their products; Water transport equipment spare parts manufacturing; Flood control and drainage facility management; Manufacturing of special instruments for environmental monitoring; fan、 Fan Manufacturing; fan、 Fan Sales; Sales of generators and generator sets; Generator and generator set manufacturing; Sales of environmental emergency technology and equipment; Machinery and equipment sales; Electrical equipment sales; Daily sundry goods manufacturing; Daily sundry goods sales; Sales of metal wire ropes and their products; Retail of computer software, hardware and auxiliary equipment; Internet sales( Except for the sale of goods that require a license); Sporting goods and equipment manufacturing; Sporting goods and equipment retail; Leather product sales; Luggage manufacturing; Luggage sales; Metal tool manufacturing; Metal tool sales; Metal daily necessities manufacturing; Manufacturing of special measuring or inspection instruments for railways; Sales of railway-specific measuring or inspection instruments; Sales of rail transit engineering machinery and parts; Power facility equipment sales; Sales of intelligent power transmission, distribution and control equipment; Sales of special instruments for environmental monitoring; Plastic product manufacturing; Plastic product sales; Retail of protective equipment for medical staff; Sales of marine water quality and ecological environment monitoring instruments and equipment; Railway transportation infrastructure equipment sales; Electrical instrument manufacturing;Sales of electrical instruments and meters; Machinery and equipment rental; Manufacturing of special machinery for tunnel construction; Sales of special machinery for tunnel construction; Mechanical and electrical equipment manufacturing; Underwater system and operation equipment manufacturing。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license) Licensed Projects: Sales of civil air defense engineering protective equipment。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)( Not be allowed to engage in business activities of projects prohibited or restricted by national and municipal industrial policies。)