Main features: Coat metal powder on the surface of two ends of ceramic, and then sinter it in high temperature to form firm and compact metallized coating. Thus ceramic and metal is welded together. The product has the feature of high sealing strength, high gas tightness and reliability.

Application: The products can be widely used in vacuum interrupter, prionotron, microwave tube, magnetron, thyratron,trigger, vacuum gauge tube, microwave snooperscope, X-ray transmitting tube, etc.