Technology development and sales of intelligent electronic products, LCD displays, refrigeration equipment, purification equipment, electromechanical equipment, and computer software and hardware; Air conditioners, refrigerators, disinfection cabinets, water dispensers, range hoods, fans, heaters, audio, personal care products, electronic products, daily necessities, cosmetics, Wujinjiaodian, textiles, clothing, bedding, packaging materials, handicrafts, paper products, household appliances, kitchen equipment R&D, design, wholesale and sales of equipment, communication equipment and computer products; door-to-door repair and installation of home appliances; door-to-door installation of water and electricity equipment; door-to-door disassembly services of air conditioners; acquisition, storage, sorting, packaging and sales of renewable resources; domestic trade; import and export of goods and technology. (Except items prohibited by laws and administrative regulations; items restricted by laws and administrative regulations must obtain a license before operating) Production of intelligent electronic products, liquid crystal displays, refrigeration equipment, purification equipment, electromechanical equipment, and computer software and hardware; Sales of prepackaged food; production of air conditioners, refrigerators, disinfection cabinets, water dispensers, range hoods, fans, heaters, audio, personal care products, electronic products, daily necessities, cosmetics, Wujinjiaodian, textiles, clothing, bedding, packaging materials, handicrafts, paper products, household appliances, kitchen equipment, communication equipment, and computer products