The registration address of shenzhen tezhin technology ltd. Is located at no. 597-3 of ronghua district, shenzhen city. The registration authority is the shenzhen market supervision authority, represented by li xiao dan, and includes computer hardware and external hardware, network equipment and accessories, surveillance equipment, industrial automation equipment, communications equipment, system integration products, digital products, material networking system products, audio-visual control transmission and display system equipment development, production, sale and post-sale technical support; smart furniture, traffic safety facilities, rubber products, steel structure products, parking garage instruction light boxes, parking area related products; import and export of goods and technologies; network equipment manufacturing; computer hardware and peripherals manufacturing; industrial control computer and system manufacturing; optical communications equipment manufacturing; hand-plugged vehicles and livestock tractors manufacturing. (in addition to projects subject to legal authorization, the operation of radio and television transmission equipment is carried out on the basis of a legal licence. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)