An IntroductionFamous in the market for transparency in the work and quality Graphite, we, Kaiyu Industrial (HK) Limited, are a prominent ISO 9001 accredited firm. Right from our business formation in the year 2000, we have been working passionately as a manufacturer, supplier and exporter of Natural Graphite Powder, Natural Crystalline Graphite, Graphite Flakes, Micronized Graphite, Super fine Graphite, Spherical Graphite, Expandable Graphite, Expanded Graphite Powder, Synthetic Graphite Powder and Sub-nano Graphite. After sourcing quality graphite, a crystall