1. 2012 hot selling sand production line with high productivity 2. used in quartz, limestone, stone etc 3. large capacity 2012 HOT Selling Sand Production Line with ... Making Machine:1,Simple and reasonable structure, lost running cost.2. High crushing rate, energy-saving.3. It has fine ... content, and the content can get up to about 8%.5. It is suitable to crush midium hard, hard special materials ...