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Established in 1999, Kaiyu Limited is a high-tech company in China. We are professionally engaged in developing & manufacturing graphite and carbon new materials. We are also one of leading suppliers of natural graphite and synthetic graphite in China. By advanced grinding, floating, chemical purifying technologies, we produce all kinds of natural flake graphite, including spherical graphite, expandable graphite, micronized graphite and high purity graphite. We developed Spherical Graphite, which shape is like potato. This grade graphite has very high tap density and low specific surface area. It is used as negative raw materials for Li-ion secondary battery and can be applied in other industries. Our production capacity of Expandable Graphite is up to 1000mt per year, and…