Zhengzhou Winsen Electronics Technology Co., Ltd is a hi-tech enterprise, specialized in developing, manufacturing and marketing various types of sensors. Including: 1. Gas sensor and module for oxygen(o2) carbon dioxide (co2) toxic gases such as CO, H2S, NH3, HCL, SO2, NO2, CL2, ETO...etc. combustible gases such as methane, propane, butane, hydrogen air quality: VOC, alcohol, smoke, formaldehyde, toluene, acetone, benzene... etc 2. Flow sensor 3. PIR sensor 4. Humidity sensor
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