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Smart City Gas Alarm China Manufacturer,4G Gas Detector,OEM/···
Smart City Gas Alarm C···
2026-07-29
Smart City Gas Alarm China manufacturer. 4G gas detector with catalytic combustion sensor (LEL), auto shut-off valve, 4G Cat.1 cellular alarm, cloud platform monitoring. EN50194 & UL2075 certified. OEM/ODM, wholesale, global shipping to Spain. Contact: wanlinfirecontrol@163.com
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hospitality gas alarm, NB-IoT Wireless Gas Leak Detector, WL···
hospitality gas alarm,···
2026-07-29
hospitality gas alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-GA201 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Semiconductor Gas Sensor + NB-IoT Cellular Communication + Ultra-Low Power Design, NB-IoT + Cloud Platform + SMS/Push/Email Alerts + Low-Power Wide Area + Remote Valve Control. Catalytic/infrared sensor, ···