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Fire Door Alarm Bell China Manufacturer, 4G Wireless Fire Do···
Fire Door Alarm Bell C···
2026-07-15
Fire Door Alarm Bell 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 South Africa. Contact: wanlinfirecontrol@163.com
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fire door closing device factory China, NB-IoT Fire Door Clo···
fire door closing devi···
2026-07-15
fire door closing device factory China direct from Wanlin Fire Protection — 12-year factory experience, WL-FD103 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Ultra-Low Power Position Sensor + NB-IoT, 10-year sealed lithium battery (non-replaceable). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. S···