DF16 axle-mounted sensors are widely used in the brake system or the signal system of railway trains. DF16 series speed sensors have been applied to more than 100 urban rail lines in China. Reference (Parts): Beijing Line 5, Shanghai Line 2, Guangzhou Line 7, Hangzhou Line 1, Changsha line 1, Chengdu line 1, Zhengzhou line 1, Guiyang line 1, Urumqi Line 1, etc. In the field of locomotive, this product has a large application, including Shaoshan locomotive, Hexie locomotive, Dongfeng locomotive and other types of locomotives.