Special measuring tool for measuring the wheel diameter of multiple-unit train and determining the diameter difference between two vehicles of the same wheel set

Liuzhou Kelu Measuring Instrument Co., Ltd. is a distinguished manufacturer of railway measuring instruments and equipment. Established in 2008 through the restructuring of the Liuzhou Kelu Measuring Instrument Research Institute, originally founded in 1993, the company stands as a high-tech enterprise integrating science, industry, and trade. 

Our primary focus lies in designing, producing, and selling precision railway special measuring instruments and equipment. With over 200 types of railway special measuring instrument products spanning 27 categories, all of which have received technical certification from China State Railway Group Co., Ltd., our company has garnered widespread acclaim. Our products are highly regarded by railway bureaus under China State Railway Group Co., Ltd., as well as by rolling stock manufacturing and maintenance facilities operated by CRRC. Furthermore, we have established a strong presence among various urban rail transit companies, gaining recognition in international markets spanning Europe, America, and Asia. Noteworthy countries in our clientele include Japan, Germany, Brazil, and Canada.