Reactive sintered silicon carbide crossbeam is the load-bearing framework of the sintered products of shuttle-type kiln, tunnel kiln, doublelayer roller kiln, industrial furnace and other high-temperature furnaces. It has the characteristics of high temperature oxidation resistance, high flexural strength, good thermal shock resistance, not easy deformation, not dirty, long service life and so on. It has been widely used in sanitary ware ceramics for daily use Craft ceramicsand other high temperature ceramic sintering industry