The Chongming-Taicang Yangtze River Tunnel project of the Shanghai-Nanjing-Hefei section of the Shanghai-Chongqing-Rongchang High-Speed Railway is undertaken by China Railway Tunnel Group. It utilizes one slurry balance shield machine with a diameter of 15.4m, manufactured by China Railway Equipment Group, and employs one set of MTP-3000 slurry separation equipment and one set of ZTJ150/3000 slurry preparation and adjustment equipment from Camfil.