In shenzhen city, shenzhen science and technology ltd. Is registered at the 7th floor of the huafeng science park, located in the pooan district of shenzhen city, on the 7th floor, with registration as the shenzhen market supervisory authority, with legal representatives guo wu xin, covering communications equipment, electronic products, connections, waterproof connectors, electronic beams, cable components, fine hardware, band guns, underwater propulsion, underwater robots, massagers and electric toothbrushes; domestic trade; and the sale of goods and technology for export and import operations. (laws, administrative regulations or decisions of the state council prohibit and require the authorization of projects prior to registration); sale of moulds; sale of batteries. (in addition to projects subject to legal authorization, activities are carried out independently of the law.) electronic products, connectors, waterproof connectors, electronic beams, cable components, precision hardware, membranes, underwater thrusters, underwater robots, drones, portable air conditioners, massagers and electric toothbrushes are manufactured; electrical electrons are manufactured; hardware is manufactured; moulds are manufactured; household appliances are manufactured; radio and television equipment (other than radio and television transmission equipment) is manufactured; diving rescue equipment is manufactured; photovoltaic equipment and metaphones are manufactured; cameras and equipment are manufactured; and electronic appliances are manufactured。