General Projects: Metal processing machinery manufacturing, Mechanical equipment research and development, Machinery and equipment sales, Electrical equipment sales, Mechanical and electrical equipment sales, Special equipment sales, Metal material sales, Metal product sales, Sales of high-quality special steel materials, Pump and vacuum equipment sales, Electrical accessories sales, Firefighting equipment sales, Instrument sales, Lightweight building materials sales,Chemical product sales( Does not contain permitted chemical products), Specialty chemical product sales( No hazardous chemicals), Sales of labor protection products, Sporting goods and equipment wholesale, Sporting goods and equipment retail, Hardware wholesale, Hardware product retail, electric wire、 Cable Operations, Machinery and equipment rental, Non-residential real estate rentals, Warehousing equipment rental services, General mechanical equipment installation services, Professional cleaning、 Cleaning、 Disinfection services, Parking service, General cargo warehousing services( Does not contain hazardous chemicals or other items that require licensing and approval), loading and unloading, Import and export of goods, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Construction project construction, document、Printing of materials and other printed materials, Labor dispatch services。( 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.)