The registration address of yamio technology ltd., shenzhen city, is located in block a 307, located in the western township of boang district, shenzhen city, in the singh city, in the singyuan bay aquaculture industry district, with the registration authority being the baoan supervisory authority of the shenzhen city market supervisory authority, represented by a legal person, li shenzhen, which operates in the areas of broadcasting equipment, audio-visual equipment, security equipment, weak electrical equipment, wireless transmission equipment, time equipment, research and development and marketing of electronic products; domestic trade, import and export of goods and technology. (in the case of administrative authorization, the production of broadcasting equipment, audio and video equipment, security equipment, weak electrical equipment, wireless transmission equipment, time equipment and electronic products shall be subject to administrative authorization。