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city gas detector: Smart Fire Safety Solutions by Wanlin Fir···
city gas detector: Sma···
2026-08-17
Wanlin Fire Control — China's leading source manufacturer of city gas detector. 4G/NB-IoT/LoRa wireless smoke, gas, and CO detectors with CE/UL/EN certification. OEM/ODM, cloud monitoring, factory-direct pricing. Contact +8613261677119.
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Refrigerated Warehouse Smoke Detector China Manufacturer,4G ···
Refrigerated Warehouse···
2026-07-29
Refrigerated Warehouse Smoke Detector China manufacturer. 4G standalone smoke detector with dual optical path photoelectric sensing, 4G Cat.1 communication, DC6V battery (3-year life), ≥95dB alarm, ≥60sqm coverage. GB20517-2006 & CCCF certified. OEM/ODM, wholesale, global shipping to New Zealand. Contact: wanlinfirecontrol@163.com