Oscillator Tube, Electronic Tube, Vacuum Tube manufacturer / supplier in China, offering High Frequency Metal Ceramic Electron Triode (RS3040CJ, RS3060CJ, RS3060CJC), Ceramic Vacuum Electron Tube (RS3040CJ, RS3060CJ), High Frequency Metal Ceramic Electron Tube Triode (RS3040CJ, RS3060CJ) and so on.
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