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gas detector Vietnam photoelectric, 4G Gas and CO Combinatio···
gas detector Vietnam p···
2026-07-29
gas detector Vietnam photoelectric direct from Wanlin Fire Protection — 12-year factory experience, WL-GA203 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Electrochemical CO Sensor + Catalytic Gas Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm (Gas + CO) + SMS/Push/Email + Valve Control. Catalytic/infrared sensor, s···
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Wholesale NB-IoT Smart Gas Alarm (WL-GA202) Distributor Oppo···
Wholesale NB-IoT Smart···
2026-06-25
household gas alarm franchise direct from Wanlin Fire Protection — 12-year factory experience, WL-GA202 fully certified CE/EN54/FCC/RoHS. Key specs: NB-IoT + Wi