Shenyang subway line 2 project is constructed by China Railway Tunnel Group. The diameter for tunneling is 6.28m.The stratum material may include medium-coarse sand, pebble bed, Round gravel soil etc. Slurry cycling volume is 1000m³/h. One set of MTP-1000 slurry treatment system, one set of ZTJ-60 slurring plant are used in the project.