... Cost and Labor Large capacity!! sawdust charcoal ball press machineIntroduction:Ball Press Machine also called High Pressure Ball Machine, can ... , dolomite, iron and so on ) through forcing booster, preload screw precision machining, made of high density ball billet, is widely ... , precipitator dust, iron concentrate, the final production can be press into ball, oval pillow and egg shapes, etc. 2. ...