Endless diamond wire cutting machine uses diamond wire loop as a cutting tool. The machine has a rotary head which can do rotary cuts. The linear speed is 3 to 4 times of traditional wire cutting. Its cutting speed is fast and has very simple operation and a small machine size. The cutting equipment is suitable to cut almost all kinds of material such as glass, rock, jade, silicon,ceramics and so on, especially for cutting high-value hard brittle materials.