Shenggao Machinery using self-developed technology and unique technology to prepare granulate diamond powder particles with high sphericity, fast grinding rate, and small Ra value, not easy to cause deep scratches,high processing yield. The granulating powder can be prepared into diamond grinding liquid or diamond grinding pad, which is widely used in single and double sided thinning, grinding and polishing of hard and brittle materials such as sapphire, SiC, glass-ceramics,hard metals and so on.