Li Fengqiang, posted a video of his experience at the entrance of a metro station in Wuhan, central China's Hubei province, on his Douyin account on March 21. A member of staff told him he needed ...

After more than a year of pre-research and preparation work,Luoyang Sunrui RPST has helped Wuhan metro replace a sleeper shoe with a GJ-3 anti-vibration fastener. At that time, a number of sleepers ...