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No. 09, Floor 20, Bldg. F, Mingyuehuadu, Gonghe Industry Road, Xixiang St., Baoan, Shenzhen, Guangdong, China (Mainland)
2018 NB IOT wireless fire alarm smoke sensor nb solutions long time standby self contained smoke detector, US $ 1 - 20 / Piece, Guangdong, China, OEM, NB-IoT solution sensor smoker.Source from Shenzhen Esino Technology Ltd. on Waimaotong.com.