Over years, our company has been one of the leading manufacturers of electronic tubes, vacuum capacitors, vacuum relays, ceramic capacitors and photomultipliers in China. Our electronic tubes include power grid triode tetrodes, pentode to receiving tubes, thyratrons, magnetron TWT and X-ray tubes. They war widely applied in industry, medical, broadcasting, aviation, communication and military. By utilizing advanced technology and management methods, our products have maintained the highest ...