Zhengzhou Zhengyi Electronic Technology Co., Ltd. was established in 2001. It is situated in the High-Tech Industrial Area of National University Technology Park. Zhengyi Electronic Technology is specialized in studying, manufacturing, trading and serving of sirens, and mainly produces different kinds of light bars, car sirens, small warning light sirens and self-defense equipments, which is widely used in police car, ambulance, motors and telecommunications. As a member of Social public Security Association, we believe that we are able to offer high quality products. The products we produce have attractive appearance and novel structure, reaching state standard "GB8018-99" and "GB/TB13954-92". They all pass the sample test conducted by Ministry of Public Security. Besides, Wireless remote control. "XF" series and "JY" series win patents because of their particular appearance and quality from the authorities. Our products are sold in Europe, America, Japan, Middle East, South America and Southeast Asia, and we have won great reputation from our customers. We sincerely wish to cooperate with you to create a glorious future.