Alarm System Manufacturing

Tailor-Made Alarm System and BLE Module Manufacturing Business From China Shenzhen

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Tailor Made Alarm System and BLE Module Manufacturing Business From China Shenzhen Shenzhen SUMRING Technology Co. Limited is a high-tech enterprise specialized in the research and development of burglar alarm and fire alarm products, which include Passive infrared (PIR) intrusion sensor, smoke detector, gas leak detectors, Carbon Monoxide detector, fire alarm bell/strobe/alarm, nRF51822 BTLE module, […]