According to the tender documents of Phase III of Dongguan Metro Line 2 issued recently, the commissioning of the AFC system will be completed on December 1, 2027; the comprehensive integrated testing will be finished on January 1, 2028. This will be followed by non-passenger trial runs from February to April, 2028, and trial operation is scheduled to begin on May 30, 2028.

Phase III extends from Humen Railway Station to Jiaoyiwan Station, stretching 17.13 kilometres, with nine stations, four of which are interchange stations. The Phase III project has a total investment of 14.693 billion yuan.

Trains on Line 2 have a top speed of 120 km/h. At present, there are 174 carriages in service with another 30 carriages planned for purchase.