Legal analysis: 1. Business scope of trading company: 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 accessories, building materials, clothing, shoes and hats, computer hardware and software, consumables and communication equipment. Chemical raw materials and products (except dangerous goods), building waterproof materials, cement products, heat insulation and anticorrosion oxygen coatings, thermal insulation materials, waterproof and leak-proof materials, pipelines, valves, kitchen utensils, watches, glasses, glass products, steel products, electronic components, wires and cables, hotel supplies, hotel equipment, audio equipment, sanitary ware, fire fighting equipment, photographic equipment, electromechanical products, sporting goods, metallurgical equipment.

2. Business scope of service company: computer graphic design, production, inkjet printing, express service (except letters), packaging box design and production, product packaging development, carton packaging, plastic product packaging, model production, conference service, digital photography service, computer digital image processing, lighting design, corporate image planning, marketing planning, exhibition service, etiquette service, landscape design and production, and cleaning service.

3. Business scope of building installation: interior decoration design, landscaping, landscaping engineering construction, civil engineering, roof waterproofing, architectural decoration, real estate development, property management, concrete cutting, steel bar planting, reinforcement, water and electricity installation, pipeline maintenance, engineering machinery and equipment maintenance, building cleaning, exterior wall painting, stone forest maintenance, carpet cleaning, central air conditioning cleaning, industrial pipeline cleaning, foundation and pile foundation engineering construction.

4. Science and technology business scope: computer software and hardware development and sales, four technical services in the fields of computer, electronics, biology, medicine and automobile technology, research and development and sales of bioengineering and biological products, rectifier production and development, computer network engineering and computer network software development.

5. Consulting business scope: 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, vacation information consulting, property management consulting, labor information consulting, talent information consulting, investment information consulting, medical information consulting, medical care information consulting, medical device information consulting and legal information consulting.

6. Production and business scope: coating production and processing, food production and processing, machinery and equipment manufacturing and processing.

Legal Basis: Classification of National Economy Industries This standard is applicable to the classification of economic activities in national macro management such as statistics, planning, finance, taxation, industry and commerce, and is used for information processing and information exchange.