Diamond beads The technology of diamond beads was used in marble process from 1970, during the development of technology of diamond beads from electroplate bead to sintered bead, it can used cutting in granite. At present, we can manufacture diamond beads from diameter 6.7mm to 11.4mm, include electroplate beads and sintered beads, they are used for cutting block and irregular-cutting and the quarry operation.the diamond beads are widely used in multi-wire machine and stationary machine. We have 13 years experience in diamond tools, we have our special technics and the quality of product has reach the level of international.