The 250t/h Granite crushing production line applied in Ethiopia is mainly consisted of vibrating feeder, jaw crusher,hydraulic cone crusher, vibrating screen, conveyor belt and centralized control equipment etc. This stone production line has the features of small floor space, high investment economy benefit, high quality crushing materials, low powder productivity etc. The operation procedure is reasonable: raw material is crushed by jaw crusher, it is called coarse crushing, then the coarse aggregate is conveyed to the cone crusher by conveyor belt to be crushed again. The crushed material is screened into three kind size of sand, stones, and then back to the cone crusher be crushed again. In order to make sure the discharging is unobstructed, We provided advanced electric control operating system for customers.