On December 26, 2019, after an in-depth investigation of several domestic permanganate index testers, a customer unit in Xinjiang finally chose the high-precision fully automatic permanganate index tester model ST108M developed and produced by Jinan Shengtai Technology. This model consists of a 28-bit intelligent automatic sampler and a full-process automated host, which realizes the functions of automatic quantification of samples, automatic determination of endpoints, automatic calculation of results, one-click data upload and printing, etc., and realizes the full-process robot operation era of permanganate index detection in water.