Shenzhen Duotai industrial Co., Ltd is a high-tech enterprise, especially produce security alarms series items, with a strong capital position and extensive R ＆ D department. Duotai has started to research, develop, manufacture and sell security alarms, including personal reminder alarms, pets collars,(with alarms), alarm device with baggage, etc. With the faith to be No.1 in the world, rely on advanced production equipment, unique advantage, authorized quality attestation and outstanding management pattern, we sell well on a large scale at home and aboard.