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construction site smoke alarm, NB-IoT Smart Photoelectric Sm···
construction site smok···
2026-08-17
construction site smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM601 (NB-IoT Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Photoelectric + NB-IoT + Ultra-Low Power + 10-Year Battery + Cloud Platform. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.
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Smoke Detector with Strobe Light China Manufacturer, 4G Smar···
Smoke Detector with St···
2026-07-22
Smoke Detector with Strobe Light China manufacturer. 4G smart fire safety system with CE UL EN54 RoHS FCC. IoT fire detection, cloud platform, wireless interconnect. OEM/ODM, wholesale, global shipping to Argentina. Contact: wanlinfirecontrol@163.com
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Gas Detector with APP Control China Manufacturer, AI Home Se···
Gas Detector with APP ···
2026-07-20
Gas Detector with APP Control China manufacturer. AI home security and fire alarm bundle with CE UL RoHS FCC. 4G wireless, smart home integrated. OEM/ODM, wholesale, global shipping to Singapore. Contact: wanlinfirecontrol@163.com
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