This project is a special material yard for high-speed rail, providing stable and high-quality limestone materials to ensure the smooth construction of high-speed rail. According to the geographical advantages of the site and the material needs of the high-speed rail, a detailed production line plan was formulated for it, which mainly involves the crushing, sand making and screening of limestone materials. The production line consists of Xingaonai Heavy Industry ZG series 1550 vibrating feeder, XGN series 1615 heavy hammer crusher, 1220 light hammer crusher, YKZ series 3070 vibrating screen * 4, PCK series 1520 single rotor sand making machine, and a dust collector device is used. The specific feed particle size is 70-80 cm, and the discharge particle size is 31.5 mm or less. There are four specifications of finished materials.