Refrigerators, freezers and other household appliances, display cabinets, refrigeration equipment, mechanical accessories, hardware accessories, plastic products, rubber products, mold manufacturing, processing and sales; mechanical equipment, electronic products, chemical products (except hazardous chemicals), chemical raw materials (except hazardous chemicals), hardware products, auto parts, motorcycle parts, metal materials, instruments, packaging materials, communication equipment, decorative materials wholesale and retail ; Solar photovoltaic power generation; road cargo transportation; manufacturing, processing, and sales of ice machines and vehicle-mounted refrigerators; manufacturing, processing, and sales of incubators and disinfection cabinets; self-operated and agency import and export of goods and technologies, except for goods and technologies that are restricted by the state or prohibited from import and export, and other projects that are not prohibited or do not require a business license according to laws, regulations, decisions of the State Council, etc., and projects that are not included in the negative list for local industrial development.