Our company professionally researches, develops, makes and sells carbide in ceramic. The founder, Mr. Xu Zhengkai, produced the first batch of reaction bonded silicon carbide in the beginning of the 1980s and developed the material of silicon carbide added carbon in the middle of 1990s, which reach the world advanced level. At the same time, our products fill in the blank in sealing material industry in domestic markets. Since 2001, our company has produced sintered silicon carbide in ...