Dongjin

Hunan GRI Instrument Co., Ltd. is located in Environmental Science and Technology Industrial Park in Hunan Province in 2009. Our company is a high-tech enterprise based on advanced sensors and instrum...

Room 302,Building 3, Block 1,Dongwangzhuang Road,Wudaokou,Haidian Beijing Beijing 100083 China

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co2 sensors,co,co2.o3 gas detector,temperature humidity controller,co2 and voc monitor,thermostat,BACnet thermost,voc alarm, BACnet co2 transmitter,multifunctional IAQ monitor...

Fenghuang No.3 Road, Fenghuang Industrial Park, Eastlake Hi-tech Development Zone, Wuhan, 430205, China

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