Greenstone USA, Inc. | Address: 971 Corporate Way, Fremont, California 94539, USA 
www.electrontubes.net | Send Inquiry | Phone: +1-(805)-987-8946
Greenstone USA, Inc. specializes in vacuum industry. We manufacture vacuum tubes, vacuum capacitor, vacuum interrupters, vacuum relays, broadcasting vacuum tubes, ham radio vacuum tubes, audio vacuum more...

California Tube Laboratory | Address: 125 Aviation Way., Watsonville, California 95076, USA 
www.caltubelab.com | Phone: +1-(831)-761-1199, 800-824-3197
California Tube Laboratory is a designer and manufacturer of vacuum tubes. Our pulse magnetron is used in application such as commercial and military radars, simulators & X-ray systems. Our CW magnetr more...