PE600X900 pressing iron screw-bolts look the Quartet bucket, length 700 models M36 bolt factory production is the professional crusher according to the model built, four bolt design is based on the size of the tanks will not let Quartet rotate inside the tanks, small bolt square long the operation will appear loose, affecting the equipment, reduce production. Need crusher equipment accessories customers, please look China Long Xin Machinery Parts Factory, or Baidu, enter a phone 13526739618