2019-6-24 · Zhongshan Hongmao Electronics Co., Ltd was established in 1996 and locates in Zhongshan City of Guangdong Province. We have developed to be one of the leading high-tech manufacturers, devotes to study, produce and sell car alarms, motorcycle alarms, parking sensors, GPS, GSM alarms, CAN-BUS alarm, TPMS and other car accessories, and provides professional after-sale service.