our quality impact crushers are used in both primary and secondary crushing applilcations of aggregate,and in recycle crushing of reinforced concrete,asphalt and other construction and demolition debris. it is widely used to make all kinds of mine,such as cement,fire-proof materials,aluminum soil,the emery,glassraw materials,building sand,stone materials,metallurgical slag. the construction is reasonable and simple,and the operationg cost is low,too.and the crushing ratio is high,energy saving.more suitable for crushing mid-harc,super-hard materials.product is cubic.the density for piling up is big and the iron pollution is little.the working noise is lower than 75 decibels and dust pollution is little.