The JTZQ-8 section project of the Beijing-Tangshan Intercity Railway is undertaken by Tunnel Engineering Co., Ltd. of China Railway 14th Bureau Group. It utilizes one slurry balance shield machine produced by China Railway Construction Heavy Industry with a diameter of 13.3m, along with one set of MTP-3000 slurry separation equipment, one set of ZTJ150/3000 slurry preparation and adjustment equipment, and six sets of COMC-600 pressure filters from Camfil.