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 ...

For more than two months, the city of Wuhan, China, was sealed off from the outside world. Flights in and out were canceled. Train and bus routes were suspended. Highway entrances were blocked.