Smart home, smart wearable by crystal from 3225, 2520, 2016MM miniaturization of change. This is due to the crystal product packaging are to small in the direction of change, and the quartz oscillator with the Czech Republic, 2.0*1.6MM bulk shipments, plus the development of smart home, smart wear more miniaturization, on the crystal quality requirements but also to improve the Czech crystal has been completely meet the product requirements.