XC-200 COD reactor is researched and produced by ourself Hangzhou Lohand Biological Technology Co., Ltd. which is a kind of laboratory instrument used together with chemical oxygen demand(COD) detection meter It is. widely used in the fields of electroplating, sewage plant,coal carbonization, paper making, petrochemical, pelage,process hides, pharmacy,food processing, etc,when the reactor is requested chemical oxygen demand(COD) detection.