Rice husk is the outer shell of rice, which can be used to make soy sauce, wine and power. In daily production, rice husk is basically treated as agricultural waste to be discarded or combustion, which has low utilization rate.
Peanut shell is usually treated as garbage or just burned in the countryside, which has not fully utilized. If it goes through the scientific treatment, peanut shell will bring more revenue.
Steel ball is the important basic part of ball mill, and its main purpose is to grind materials, which can make the material finer.