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UL Listed Heat Detector China Manufacturer, 4G Wireless Heat···
UL Listed Heat Detecto···
2026-07-10
UL Listed Heat Detector China manufacturer. Fixed temperature and rate of rise heat detection with EN 54-5 UL 521 CE certification. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to Netherlands. Contact: wanlinfirecontrol@163.com
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Waterproof Heat Detector China Manufacturer, 4G Wireless Hea···
Waterproof Heat Detect···
2026-07-10
Waterproof Heat Detector China manufacturer. Fixed temperature and rate of rise heat detection with EN 54-5 UL 521 CE certification. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to Netherlands. Contact: wanlinfirecontrol@163.com