EVERBRIGHT BILLION(H.K.)ENTERPRISES LTD IS A Specialised manufacturer and distributor of quartz crystal units with advanced production equipments , test instrument and professional R&D. Our products include: CRYSTAL RESONATOR , CRYSTAL OSCILLATOR , CRYSTAL FILTER , CERAMIC RESONATOR , CERAMIC FILTER. The products are widely used in time pieces, digital products, household appliances, telecommunication equipments and other frequency control devices. We professionally and faithfully concentrate on our mission: to provide the best quality QUARTZ CRYSTAL UNTIS the most reasonable price to customers all over the world.