Chemical raw materials and products, wiring harnesses, electronic products, automation equipment, machine tools and related accessories, engaged in the import and export business and information consulting services of the above commodities. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments) General projects: Machinery and equipment leasing; Sales of Category I medical devices; The second category of medical device sales; Medical personnel protective equipment wholesale; Wholesale of medical masks (except for items subject to approval according to law, independently carry out business activities according to law with business licenses)