Shenzhen Chitongda Electronic Co., Ltd. (Shenzhen Wolf-Guard Security Hi-tech Co), established in 1998, has workers over 2200 and owns the most powerful strength technique production security field. As a member of Protection Industry Association China, ...

Leisure Auto Security Equipments Ltd is a factory specially car safety products, the new products driver fatigue monitor system fruit of our long time research and development, it Adopt most advanced non-contact method, capture infrared images people, ...