Shanghai Chunye Instrument Technology Co., Ltd.  is a professional manufacturer and supplier for industrial process automation sensors and instrument, main product: Multi-parameter, Turbidity, TSS, Ultrasonic Liquid Level, Sludge Interface, Fluoride Ion, Chloride Ion, Ammonium Nitrogen, Nitrate Nitrogen, Hardness and Other Ions, pH/ORP, Dissolved Oxygen, Conductivity/Resistivity/TDS/Salinity, Free Chlorine, Chlorine Dioxide, Ozone, Acid/Alkali/Salt Concentration, COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Cyanide, Heavy Metals, Flue Gas Monitoring, Air monitoring, etc. Product Type: Pen Type, Portable, Laboratory, Transmitter, Sensor and On-line Monitoring System.