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equipment China fire equipment stove auto shut-off kitchen unattended detector aging in place pressure alarm device 4G Pressure Monitoring Terminal ex fire safety exporter ATEX explosion-proof level sensor chemical tank level sensor wireless telemetry level system well wate Standalone smoke detector heat detector activation test auto test schedule Latin America distributor fire safety case study clinic fire safety system partner China variant 19 smart fire global stove safety partner CE certified stove alarm unattended durable smoke test device from China high quality heat tester Chinese factory East Asia distributor fire protection equipment LoRa/4G Dual-Mode Pressure Gauge gas press municipal fire detection system China variant 9 certified f stove voice warning kitche building fire protection fire innovation engineering China OEM home fire safety kit gas stove timer alarm P Smart Features solution smart digital signage weather triggered content gas pressure monitoring Wireless 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