It entered the Korean market for the first time.  

In early 2019, 6 sets of 35T battery locomotives entered Seoul, South Korea, Delivered to Hyundai for the construction of the Seoul Subway Tunnel Project.  At the same time, it is the first time to apply self-propelled rubber wheel maintenance platform in subway tunnel construction project.  The project was successfully completed in June 21.   

The maintenance platform is designed by electric drive rubber wheel and can turn by itself. It is divided into three working platforms. The maximum bearing weight of the platform is 1.5T and the maximum driving speed is 6Km/h.