The registered address of Qingdao Guangyin Electronic Technology Co., Ltd. is Room 1014, No. 568 Huaihe West Road, Huangdao District, Qingdao City, Shandong Province. The registration authority is the Market Supervision Administration of Huangdao District, Qingdao City, and the legal representative is Zhang Dianjun. The business scope includes general projects such as technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Manufacturing of plastic products; Research and development of electronic specialized materials; Manufacturing of display devices; Manufacturing of electronic (gas) physical equipment and other electronic devices; Manufacturing of optoelectronic devices; Retail of electronic components; Sales of electrical equipment; Retail of hardware products; Sales of plastic products; Sales of rubber products; Sales of packaging materials and products; Sales of chemical products (excluding licensed chemical products); Mold sales; Sales of office supplies; Retail of stationery supplies; Needle textile sales; Clothing and apparel retail; Retail of sports goods and equipment; Sales of mechanical equipment; Electronic product sales; Sales of daily necessities; Information consulting services (excluding licensed information consulting services); estate management; Engineering management services; Professional cleaning, washing, and disinfection services; Software development; Information system integration services; Information technology consulting services; Mechanical equipment leasing; Human resources services (excluding employment agency activities and labor dispatch services); Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: snacks and miscellaneous items. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.)