Guangzhou subway line 9 tender 1 project is constructed by China Railway the Third Engineering Group. The diameter for tunneling is 6.28m. The stratum materials include clay bed, mucky soil, silty-fine sand, moderately weathered slate etc. Slurry cycling volume is 1000m³/h. three sets of MTP-1000 slurry treatment system and one set of ZTJ-60 are employed in this project.