hello, I'm glad to answer your questions. The categories of individual industrial and commercial households are as follows: 1. Trade: Wujinjiaodian, daily necessities, knitwear, washing products, cosmetics, food, health food, nutritional supplements, household care products, packaging materials, rubber and plastic products, sewing machine clothing and accessories, textile fabrics, textile auxiliaries, down products, handicrafts, paper products, bedding, mechanical parts, building materials, clothing, shoes and hats. Computer software and hardware, consumables, communication equipment, leather products, cultural office supplies, lighting appliances, stainless steel products, aluminum alloy products, chemical raw materials and products (except dangerous goods), building waterproof materials, cement products, thermal insulation and anti-corrosion oxygen coatings, thermal insulation materials, waterproof and leak-proof materials, pipes, valves, kitchen utensils, clocks and glasses. Glass products, steel products, electronic components, wires and cables, hotel supplies, hotel equipment, audio equipment, sanitary ware, fire fighting equipment, photographic equipment, mechanical and electrical products, sporting goods, metallurgical equipment, environmental protection equipment. Metal materials, water pumps and accessories, hardware bearings, fasteners, standard parts, photographic equipment, plating equipment, auto and motorcycle accessories, construction machinery and equipment and accessories, flowers, seedlings, motorcycles and electric vehicles. 2. Services: computer graphic design, production, inkjet printing, express service (except letters), packaging box design, production, product packaging development, paper box packaging, plastic product packaging, model making, conference service, digital photography service, computer digital image processing, lighting design, corporate image planning, marketing planning, exhibition service, etiquette service, landscape design and production, cleaning service, housekeeping service. 3. Installation category: interior decoration and design, landscaping, landscaping construction, civil engineering, roof waterproofing, architectural decoration, real estate development, property management, concrete cutting, rebar planting, reinforcement, water and electricity installation, pipeline maintenance and construction machinery and equipment maintenance. Building cleaning, external wall painting, stone forest maintenance, carpet cleaning, central air conditioning cleaning, industrial pipeline cleaning, foundation and pile foundation engineering construction, civil engineering, architectural decoration engineering construction, and electromechanical engineering installation construction. 4. Science and technology: computer software and hardware development and sales, four technical services in the fields of computer, electronics, biology, medicine and automobile technology, research, development and sales of bioengineering and biological products, rectifier production and development, computer network engineering and computer network software development. 5. Consulting: business information consulting, real estate information consulting, tourism information consulting, financial information consulting, domestic service consulting, enterprise management consulting, legal information consulting, education information consulting, interior decoration design consulting, and holiday information consulting. Property management consulting, labor information consulting, talent information consulting, investment information consulting, medical information consulting, medical care information consulting, medical equipment information consulting, legal information consulting. 6. Production category: coating production and processing, food production and processing, machinery and equipment manufacturing and processing.