Track Fixed Fasteners for Guangzhou Metro Line 4

Guangzhou Metro Line 4 is a subway line in Guangzhou City, Guangdong Province, China. It opened its first section (Wanshengwei Station to Xinzao Station) on December 26, 2005; The first section of Guangzhou Metro Line 4 Phase II (Xinzao Station to Huangge Station) was opened on December 30; the second phase of the entire line (Wanshengwei Station to Jinzhou Station) was opened on June 28, 2007; On December 25, the north extension section (Chepi South Station to Huangcun Station) was opened for operation; on December 28, 2017, the south extension section (Jinzhou Station to Nansha Passenger Port Station) was opened for operation.
As of November 20, 2020, Guangzhou Metro Line 4 has a total length of 60.03 km, with a total of 24 stations (one of which is reserved), including 14 underground stations and 10 elevated stations, using 4-section grouping L type train.