Shanghai Yoke Instrument Co., Ltd. is a high-tech enterprise dedicated to the research, development, production, sales and service of general analytical instruments in laboratories. Main products: Gas Chromatography, UV/Vis Spectrophotometer, Atomic Absorption Spectrophotometer, pH Meter, Conductivity Meter, DO Meter, Turbidity Meter, Colorimeter, COD, Moisture Analyzer, Balance, etc.