Zhejiang Liyi Security Protection Co. , Ltd is one of the first regular members of "China Security Association" and "China Security Department". We specialize in manufacturing emergency light bars, Sirens and controllers, Police equipments and other security- Related products, Which have been used by over 100 police departments and in thousands of emergency vehicles in China. Due to our excellent service and the reliable quality of our products, For 10 consecutive years, Liyi Security Protection Co. , Ltd has been listed as one of the most recommended enterprises by the local government. In order to be more competitive internationally, Our products are manufactured to meet the requirements of ISO9001 quality standards. The CERTIFICATE was achieved in 1999. So far our products have been exported to many other countries (such as America, England, Germany, The Netherlands, Indonesia) and established a good reputation in overseas market. We are also dedicated in technology innovations and developing new products. More than 10 patents have been achieved. We believe that the good quality and the excellent service is the key to the success of our company. We are looking forward to providing our products for you with a better quality and a better service!