Over years,High Hope Int'l INC. has established as the leader in China in manufacturing,supplying of electron tubes,vacuum capacitors,vacuum relays,ceramic capacitors,photomultipliers.Our electron tube products range from power grid triode tetrode,pentode to receiving tubes,thyratron,magnetron TWT and X-ray tubes.They are widely applied in industrial,medical,broadcastring,aviation,communication,and military etc.By utilizing the technology and management from experts from both China and oversea,our products have maintained in the highest level in this line and are very well received by our customers from all over the world....【More】