Electric vacuum device Electrovacuum devices are mainly […]
Electric vacuum device
Electrovacuum devices are mainly high-frequency and ultra-high frequency emission tubes, waveguides, magnetrons, etc., which require high-purity oxygen-free copper and dispersion-enhanced oxygen-free copper.
Ningbo Feihong United New-Materials Co,.Ltd. was founded in 1986, which is a high-tech enterprise devoting to researching, manufacturing and selling non-ferrous alloy new material series. Our company