Series diamond products: diamond pellets, diamond milling wheel, electroplated diamond edge grinding wheel, resin diamond grinding wheel and grinding head . Diamond fine grinding pellets. Application: Fine grinding pellets are mainly used for fine grinding after rough grinding of optical glass. Diamond grinding head. It is mainly used for small lens fine grinding and super fine grinding process. It is featured for high grinding efficiency, long lifetime, stable surface form and easy operation. Diamond tubby grinding wheel. It is mainly used for rough grinding of lens spherical surface , rounding of lens and drilling.