The IQD Frequency Products Ltd is a leader in the frequency control market for more than 40 years. Operations in more than 60 countries around the world. IQD offers a full range of frequency device products, including low-cost commercial-grade products, high-stability military-grade products and more professional-grade applications.Main Products include: crystal, clock oscillator, Silicon / MEMS clock oscillator, VCXO, TCXO, OCXO, automotive electronics dedicated crystal, widely used in communications, measurement, medicine, automotive, military and other product technology.