October 2021 - Zengjiayan Station of Phase II is completed; September 2020 - Trial operations started on 7 stations; May 2018 - Construction of the main body of Phase II begins; December 2017 - Trial operations of phase I held at Lushan Station; Line 10 is divided into two phases, 34 km phase I from Liyuchi to Wangjiazhuang and 10 km phase II from Lanhualu to Liyuchi