The general business items are: Sales of tents, outfits, marching beds, sleeping bags, backpacks, raincoats, camouflage nets, gun coats, gun coats, folding beds, folding tables, folding chairs, folding basins, folding buckets, water tanks, sporting goods, quilts, inflatable mattresses, umbrellas, leather products, training materials, plastic raw materials and products, clothing, shoes and hats, tourism supplies, textiles; Sales of general machinery and equipment and their accessories and hardware products; Technical development and sales of biomass energy saving stove, solar cooker, solar water heater, solar photovoltaic power generation system and wind power generation system; Import and export of goods and technologies; Sales of traffic facilities and equipment and fire-fighting equipment; Sales of computer auxiliary equipment, Class I medical devices, Class II medical devices (operating records of Class II medical devices are required), bags, stretchers, kitchen and toilet appliances, electronic products, packaging boxes, shower box groups, toilet box groups, wire mesh, targets and range equipment, aircraft masks, training simulation equipment, protective clothing, protective masks, protective gloves, protective helmets, and protective shoe covers; Sales of special combat goggles, special combat tactical vests, holsters, gun guns, special combat belts, camouflage helmet masks, special combat clothing signs, tiger patch backpacks; Sales of training equipment, training simulation models, fitness equipment and accessories, target drones, shooting range equipment, public safety equipment and equipment, security equipment, environmental protection equipment, fire-fighting equipment, emergency rescue equipment, flood prevention equipment, life-saving equipment, communication equipment, music, culture and education equipment, office equipment, balls, special teaching equipment, outdoor sports supplies, camping equipment, rubber and plastic products; Steel structure works; Plastic runway, artificial lawn, landscaping project; Indoor and outdoor decoration; Building decoration design integration project; Earthwork contracting works. (Projects that need to be approved according to law can only be operated after being approved by relevant departments) (except for projects prohibited by laws, administrative regulations and decisions of the State Council, restricted projects can only be operated after obtaining permission); Sales of office supplies; Advertising design and agency; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology promotion; Advertising release; Advertising production; Computer software, hardware and peripheral equipment manufacturing; Retail of computer software, hardware and auxiliary equipment; Computer system services; Computer and office equipment maintenance; Sales of electronic products; Information consulting services (excluding licensing information consulting services).