a joint-venture specializing in the designing, devloping and manufacturing of quartz crystals and crystal filters. Shenzhen Great Electronics Co.,Ltd. introduced advanced production equipments and inspection instruments,and has a well-trained and professional team of staff in production and R&D. Now Shenzhen Great Electronics Co.,Ltd. Is one of the biggist manufacturers of crystal filters, with an annual capacity of 15 million pieces. Our conception is : specialization and concentration, and provide our customers, at home and abroad, the best service with crystal components of the best quality and reasonable price. Our Production: