General Projects: Class I medical device production, Engineering and technical research and experimental development, Sales of Class I medical devices, Sales of Class II medical devices, Sales of special electronic equipment, Metal structure manufacturing, Metal structure sales, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Sales of new metal functional materials, Door and window manufacturing and processing, Door and window sales, Metal door and window construction, Hardware product manufacturing, Hardware product research and development, Hardware product retail, Hardware wholesale, Mechanical and electrical equipment sales, Spraying processing, Coating equipment sales, General valve and plug manufacturing( Excluding special equipment manufacturing), Valves and plugs sales,Valve and plug development, Lighting sales, Lighting fixture sales, Sales of building decoration materials, Building materials sales, Distribution switch control equipment manufacturing, Sales of distribution switch control equipment, Power transmission, distribution and control equipment manufacturing, Sales of intelligent power transmission, distribution and control equipment, Non-residential real estate rentals, Professional cleaning、 Cleaning、 Disinfection services, Special equipment repair, General equipment repair, Unit logistics management services, Electrical accessories manufacturing, cosmetics wholesale, cosmetics retail, Daily necessities sales, Sales of sanitary products and disposable medical supplies, Personal hygiene product sales, Sales of special labor protection products, Daily sundry goods sales, Instrument repair, Daily product repair, Electrical equipment repair, Office supplies sales, Software Sales, Information system operation and maintenance services, Information technology consulting services, Information system integration services, Network Technology Services, Computer system services, Big Data Services, Internet security services, Internet data services, IoT application services, Remote health management services, Internet of Things Technology Services, Data processing services, Cloud computing equipment technical services, furniture manufacturing, Furniture parts production, Furniture installation and repair services, Furniture parts sales, furniture sales, Manufacturing of metal parts for construction。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects:Production of Class II medical devices, Class III medical device operation, Construction project construction, Construction labor subcontracting, Installation, modification and repair of special 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.)