Kay Pates instrument technology consulting (Shanghai) Co., Ltd.   

Finland K-Patents OY, founded in 1978, is the world's first online digital refractometer manufacturer, the world's only optical, mechanical structure, signal processing, intelligent highlight diagnosis and other online refractometer technology patents worldwide. K-Patents online refractometer, from all directions to ensure the high stability, high reliability and accuracy of the instrument, has been running well for more than 10 years under all kinds of harsh technological conditions. K-Patents online refractometer is widely used in various solution concentration (or sugar, refractive index) measurement, in petrochemical, chemical, food and beverage, biochemical pharmaceutical, paper and other industries have numerous successful applications.