Rock Crusher History
Apr 16, the single crusher, when of the gyratory type, might be any size from the no. 2 (6″ opening) to the no. 6 with 12-in. opening. when demand grew beyond the capabilities of one crusher, it was generally a simple matter to add a second machine to take care of the recrushing or secondary crushing.China crusher iron ore manufacturers - select high quality crusher iron ore products in best price from certified chinese iron, iron product suppliers, wholesalers and factory on.