The research, development, production, sales, and on-site maintenance of stainless steel kitchenware, tableware, air conditioning equipment, refrigeration equipment, ventilation equipment, air purification equipment, and mechanical equipment; The design and construction of fire protection projects, municipal projects, architectural decoration projects, civil engineering projects, urban lighting projects, and road and bridge projects; The sales and on-site installation of mechanical and electrical equipment and plumbing supplies; The sales of hotel supplies, hardware products, metal materials, metal products, architectural decoration materials, building materials, office supplies, sports goods, children's toys, furniture, medical devices, ceramic products, and sanitary ware. (Excluding those business items in the aforementioned operations that are subject to legal or administrative regulations requiring prior licensing, restrictions, or prohibitions. ) (For projects subject to approval according to law, business activities may be carried out only after obtaining approval from the relevant authorities. )

**Licensed Projects: **

Installation and maintenance of gas combustion appliances; Production of electric heating food processing equipment; Production of disinfection equipment. (For projects subject to approval according to law, business activities may be carried out only after obtaining approval from the relevant authorities. Specific business items shall be subject to the results of the approval process. )

**General Projects: **

Production of gas appliances; Sales of electric heating food processing equipment. (Except for projects subject to approval according to law, business activities may be independently carried out in accordance with the law based on the business license. )The research, development, production, sales, and on-site maintenance of stainless steel kitchenware, tableware, air conditioning equipment, refrigeration equipment, ventilation equipment, air purification equipment, and mechanical equipment; The design and construction of fire protection projects, municipal projects, architectural decoration projects, civil engineering projects, urban lighting projects, and road and bridge projects; The sales and on-site installation of mechanical and electrical equipment and plumbing supplies; The sales of hotel supplies, hardware products, metal materials, metal products, architectural decoration materials, building materials, office supplies, sports goods, children's toys, furniture, medical devices, ceramic products, and sanitary ware. (Excluding those business items in the aforementioned operations that are subject to legal or administrative regulations requiring prior licensing, restrictions, or prohibitions. ) (For projects subject to approval according to law, business activities may be carried out only after obtaining approval from the relevant authorities. )

**Licensed Projects: **

Installation and maintenance of gas combustion appliances; Production of electric heating food processing equipment; Production of disinfection equipment. (For projects subject to approval according to law, business activities may be carried out only after obtaining approval from the relevant authorities. Specific business items shall be subject to the results of the approval process. )

**General Projects: **

Production of gas appliances; Sales of electric heating food processing equipment. (Except for projects subject to approval according to law, business activities may be independently carried out in accordance with the law based on the business license. )