SJK is professional manufacturer and exporter of quartz crystals, crystal oscillator, ceramic resonators (filter, SMD).saw filter, saw resonator.Products are wildly applied in the field of communication, computer, TV set, acoustics equipment, etc. Our full capacity can reach 80million pcs per year. All the modern production facilities and technologies are imported from Japan and USA. With more than 15-year experience, powerful R&D team and ISO9002 quality control system, we have supplied high quality products to worldwide customers and enjoyed great reputation. The main export areas include the US, Europe and South Asia.We will continue to seek technological breakthroughs in the piezoelectricity field in the future. We hope to make a bright future with our customers! For more details about us, contact us today!