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Fire Door Not Closed Alarm Notification
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Fire Door Open Alarm Reminder China Manufacturer, 4G Wireles···
Fire Door Open Alarm R···
2026-07-15
Fire Door Open Alarm Reminder China manufacturer. UL 60930 and EN 16061 certified fire door alarm with real-time position monitoring, 4G wireless alert, fire door status tracking, OEM/ODM, wholesale, global shipping to UAE. Contact: wanlinfirecontrol@163.com
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Fire Door Hold Open Device China Manufacturer, 4G Wireless F···
Fire Door Hold Open De···
2026-07-15
Fire Door Hold Open Device China manufacturer. UL 60930 and EN 16061 certified fire door alarm with real-time position monitoring, 4G wireless alert, fire door status tracking, OEM/ODM, wholesale, global shipping to Oman. Contact: wanlinfirecontrol@163.com
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China fire door alarm manufacturer, Premium Fire Door Contro···
China fire door alarm ···
2026-07-15
China fire door alarm manufacturer direct from Wanlin Fire Protection — 12-year factory experience, WL-FD108 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Modbus RS485 + Matter, Premium Multi-Door Controller + LCD Display + Voice, AC 230V + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding···