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fire detection case fire protection solution smart fire platform fire safety innovation IoT fire monitoring wireless fire detection fire alarm system source factory fire equipment ecommerce warehouse fire safety partner variant 24 fire safety deployment building fire protection China fire safety manufacturer global fire safety partner industrial fire protection fire safety factory smoke alarm tester smoke test spray facility management OEM fire equipment CE approved fire safety commercial fire safety fire detection technology fire safety engineering fire safety exporter municipal fire detection system China variant 24 Combined smoke heat CO detector wholesale industrial smoke dete fire safety exporter fire safety R&D aluminum alloy detector test equipment aerosol smoke tester Conventional smoke detector source factory fire equipment global fire safety standards compliance variant 8 gas valve shutoff PIR motion detector water flood sensor UL smoke detector smart home safety SOS 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