Nanchang subway line 2 tender 4 project is constructed by China Railway Tunnel Group Division 2 Limited Ltd. The diameter for tunneling is 6.28m. The stratum materials include intense-weathered slurrystone, medium-coarse sand, gravel, etc. Slurry cycling volume is 2000m³/h. Two sets of MTP-1000 slurry treatment system are employed in this project.