Features:  1) The main engine and the material hopper are designed separately, thus   it is safe, easy and convenient to be operated 2) The whole operation is controlled by Micro-Trip computer 3) Independent filter, convenient to clean up dust 4) Muffler reduces the noise in operation 5) Stainless steel material hopper, light in weight, durable and easy to   be cleaned up 6) Control box designed separately, convenient to be maintained 7) Automatic buzzer will give an alarm while lack of materials 8) Automatic protective device protects motor against overloading