Hangzhou Heng Zhi Technology Co., Ltd. is grounded on a mission to be the world’s leading edge Smoke Alarm Manufacturer and Exporter. Our product line revolves around Alarm cigarettes, cigarette detec...

Shenzhen Pulitong Electronic Technology Co., Ltd. was founded in 2014, is a leading professional manufacturer of fire products and intelligent security voice alarm products, specialized in the develop...

Alertech Electronics (H.K.) Co., Ltd, starting as an Alarm Company in Hong Kong, has made itself a well known brand in security&protection. In order to provide you with the best of security so...