Starting October 1993 , SHENZHEN GREAT ELECTRONICS CO., LTD. has provided professional R&D and agency services for QUARTZ CRYSTAL. We have advanced production lines, testing equipments and a experienced production and development team. Our products include: 32.768KHZ , TCXO , QUARTZ CRYSTAL , CRYSTAL OSCILLATOR , CRYSTAL FILTER , CERAMIC RESONATOR , CERAMIC FILTER and more. Our products are widely used in time pieces, digital products, household appliances, telecommunication equipments like mobile phones and other frequency control devices. We have long term partnership with many famous quatrz crystal factories worldwide. We provide agencies services QUARTZ CRYSTAL from CITIZEN . MURATA CERAMIC . CQ CERAMIC RESONATOR series / CERAMIC FILTER series etc. We professionally and faithfully concentrate on our mission: to provide QUARTZ CRYSTAL with the best quality, the best performance and the best price to customers worldwide.