July 2004, 28Km double track automatic block system, Huerhula-Baishan section, Binzhou rail line, Harbin Railway Bureau.

November 2004, 72.5Km double track automatic block system, Xinxiangfang-Pingshan section, Hamu rail line, Harbin Railway Bureau.

May 2005, 15Km double track automatic block system, Gedian-Heliu section, Wujiu rail line, Wuhan Railway Bureau.

July 2005, 40.4Km electrified single track automatic block system, Long-Shenyuhe section, Baozhong rail line, Xian Railway Bureau.

August 2006, 72Km double track automatic block system,, Tailai-tangchi section, Qiping rail line, Harbin Railway Bureau.

December 2006, 212Km electrified double track automatic block system, Hailaer-Manzhouli section, Pingqi rail line, Harbin Railway Bureau.

August 2007, 445Km double track automatic block system,, Qihai rail line, Harbin Railway Bureau.

October 2007, 14-station coding transformation project, “Linkou-Qitaihe section, LinQi rail line, Harbin Railway Bureau.