Fault Alarm CO Detector China manufacturer. Electrochemical CO sensor with UL 2034 EN 50291 CE certification. 4G wireless, smart home integrated, OEM/ODM, wholesale, global shipping to Peru. Contact: wanlinfirecontrol@163.com
gas leak auto valve close direct from Wanlin Fire Protection — 12-year factory experience, WL-GA200 fully certified CE/EN54/FCC/RoHS. Key specs: 4G LTE + WiFi +