- Crystals (515)
- Oscillators (300)
- Temperature Compensated Crystal Oscillators (TCXOs) (3)
- Voltage-Controlled Crystal Oscillators (VCXOs) (3)
HCI was founded in March 2010 and specializes in the research, development, production and sale of quartz frequency controlling units. Through a combination of a professional team and advanced production technology, we have a complete product line for qu