Structure: The unit consists of the ration automatic packing scale and the selecting and matching parts: elevator, conveyer and the hemming machine. It uses gravity to feed the material, and the feed gearing is suitable for a comparatively better fluidity of grainy material.The main componet parts are:Storage hopper,feeder,weighting and clamping box,the computer box,the comuter control,and pneumatic actuator. Main Using:It is suitable for rationing package of the loose nonstick grains or the powdery material in the feed, food, grain, chemical industry. (For example pellet wholesome material, mixture, corn, rice, grain, wheat and grainy seed, feed, food, medicine, and chemical material etc.)