1、HHM-A, it’s a premium quality diamond micron, which has an equal particle size distribution, block grain, tiny impurities, favorable hydrophilic performance. Suitable for the production of high required lapping, polishing, PCD and high grade
diamond products, high quality grinding paste, diamond sprays and suspension liquid.

2、HHM-B, Standard quality diamond micron, equal particle size distribution, block grain, low impurities. Suitable for the
processing all kinds of gems, glass, stones, ceramic; grinding paste and some other related diamond products.

3、HHM-C, it’s an economical diamond micron, irregular sharp edges, mainly suitable for the high efficiency but not high
quality requirement process.

4、HHM-R, HHM-R is a resin diamond micron, with irregular grain, friable, shape-edged corner cut, suitable for the
processing of carbide, glass and ceramic.