This　series　is　depending　on　the　practice　in　sand　and　stone　production,absorbing　the　leading　technology　home　and　abroad,and　is　widely　used　in　sand　making　industry.It　is　of　high　efficiency　and　has　the　features　of　reasonable　structure,　high　capacity　and　low　consumption.It　can　make　final　products　free　from　dirt　and　impurities　and　reduce　the　high　quality　sand　loss.It　is　on　behalf　of　the　new　technique　compared　with　the　same　equipment　in　other　companies.