The CuCr materials have good performance of breaking and withstand voltage. They are widely used in Vacuum Interrupter adopted in Vacuum Circuit Breaker below **6 kV. And at present the materials have been main contact materials used in Vacuum Interrupter. We have set up four production lines of vacuum infiltration, vacuum casting, vacuum arc-melting and sintering. There are **0 vacuum sintering and casting equipments in our company. Our company has had annual capacity of 8 million pieces of contact materials and now has been the largest vacuum contact materials manufacturing base in the world.