Profile: Kaiyu Industrial (HK) Limited is engaged in developing and manufacturing graphite new materials. We supplies natural crystalline graphite. We produce all kinds of natural flake graphite including spherical graphite, expandable graphite, micronized graphite and high purity graphite. Our high purity graphite to be used as conductive additive in alkaline battery. We offer other graphite products, comprises of flexible graphite sheet, graphite rods and graphite cloth. We are accredited with ISO 9001 certification.