General Projects: Chemical product production( Does not contain permitted chemical products),Chemical product sales( Does not contain permitted chemical products), Biochemical product technology research and development, Metal surface treatment and heat treatment processing, Metal material sales, Metal product sales, Sales of daily chemical products, Lubricant sales, Lubricant processing、 manufacture( No hazardous chemicals), Paint sales( No hazardous chemicals), Paint Manufacturing( No hazardous chemicals), Sales of special equipment for environmental protection, Machinery and equipment sales, Mechanical equipment research and development, Hardware product research and development, Hardware product retail, Auto parts retail, Lighting sales, Instrument sales, Electronic components retail, Anti-corrosion material sales, Foreign contracting projects, Professional cleaning、 Cleaning、 Disinfection services, Import and export of goods, Sales of labor protection products。( 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。( 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.)