The registered address of Shenzhen Krychuangda Technology Co., Ltd. is located at Room 621, Building C, Qilin Mountain View Hotel, No. 118 Shajing Road, Shatou Community, Shajing Street, Bao'an District, Shenzhen. The registration authority is Bao'an Supervision Bureau of Shenzhen Market Supervision Administration, and the legal representative is Tang Xin. The business scope includes the sales of environmental monitoring special instruments and meters; Environmental protection monitoring; Sales of experimental analytical instruments; Sales of electronic measuring instruments; Sales of electrical instruments and meters; Retail of electronic components; Sales of power electronic components; Sales of security equipment; Sales of communication equipment; Sales of household appliances; Retail of computer software, hardware, and auxiliary equipment; Retail of hardware products; Wholesale of hardware products; Environmental consulting services; Security consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of firefighting equipment; Industrial engineering design services; Domestic trade agency; Internet sales (except for the sale of goods that need to be licensed); Information technology consulting services; Sales of electronic components and electromechanical equipment; Sales of mechanical equipment; Sales of optical communication equipment; Sales of communication equipment. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law) Civil air defense engineering design; Instrument and meter repair; Manufacturing of electrical instruments and meters; Inspection and testing services; External contracting projects; Technology import and export; Import and export of goods. (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.)