The special micropowders used in sic ceramic brake discs are in batch production, These products are researched and developed by our company and several locomotive braking and component parts companies through years of co-cooperation. Compared with other traditional brake discs, sic brake discs respond quickly and braking weakness decreased, thermal stability increased, without thermal shock, good oxidation resistance, improved operation property, good wear resistance property, etc. The working life of these products is extended greatly. We are the earliest professional factory in producing in micropowder used in braking discs, the products have good advantages such as high purity, high hardness, reasonable particle size distribution and strong stability.tec. which are widely used in automobile brake equipment manufacturers from both domestic and foreign countries.