Xiamen Kehao Automation Co., Ltd is a professional hi-tech manufacturer in development and manufacturing of industrial process automation instrumentations. KEHAO main instruments: paperless recorder, process& temperature controller, multi channel process indicator, current/voltage/power meter, I/0 module, SCR trigger module, pressure transmitter, temperature and humidity sensor, flow meter and field bus DCS monitoring systems. Our instruments applied widely in industries spanning from petroleum, chemical, metallurgy, pharmaceutical, food and beverage, and academic laboratories...