Pure graphite powder is ideal carbon sources for diamond growth. Our company is one of the leading suppliers of the graphite materials in diamond industry. Our graphite powder has high graphitization, good crystallization, high density, and containing large number of graphite grains with a reasonable size distribution. We use the most advanced purification technology and equipment to ensure high purity, low impurities, with average less than 20 ppm. This special graphite powders are used in powder assembly block for diamond synthesis. The synthetic diamonds are characterized by highly crystallization, with gold color and internal quality in single crystal.

Dongkai’s graphite powders are the best choice for the powder synthetic diamond. These products are in the leading position in China and highly welcomed by the diamond manufacturers.