my country is rich in natural graphite resources and the demand for high-end products is growing day by day.

natural graphite refers to graphite naturally formed in nature. according to different crystal forms, natural graphite can be divided into two types: crystalline graphite and cryptocrystalline graphite. crystalline graphite is further divided into high-purity graphite, high-carbon graphite, medium-carbon graphite and low-carbon graphite according to different carbon content. the production of natural graphite involves purification, modification,…