Barite can be used as white pigment, aggregate of radiation protection, the padding of chemical, paper and textile fields and the cosolvent in the glass production.
Sawdust is also known as wood chips, which is the foam shaped objects fall down from the wood during the wood processing process.
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.