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Heat Detector for Oil Rig China Manufacturer, 4G Wireless He···
Heat Detector for Oil ···
2026-07-10
Heat Detector for Oil Rig 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 UAE. Contact: wanlinfirecontrol@163.com
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heat detector for underground facility, 4G Wireless Heat Det···
heat detector for unde···
2026-07-10
heat detector for underground facility direct from Wanlin Fire Protection — 12-year factory experience, WL-HD900 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi, Fixed Temperature + Rate-of-Rise Dual Sensor (57°C / 135°F), AC powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. S···