The registered address of Shanghai Zejing Technology Co., Ltd. is located in Zone A, 1st Floor, Building 104, No. 1-30, Lane 88, Minbei Road, Minhang District, Shanghai. The registration authority is the Minhang District Market Supervision Administration, and the legal representative is Han Jian. The business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Sales of optical instruments; Sales of glassware; Sales of testing machines; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); Software development; Conference and exhibition services; Sales of office supplies; Sales of daily necessities; Sales of office equipment (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law).