BeiJing ZiJinShi Electronic Co., Ltd. We offer the broadest product spectrum for quartz crystals, oscillators, crystal filters, covering package style and frequency range, with world class manufacturing they are well positioned to support the growing needs in frequency controls. We also offer the devices include machine,X-ray crystal orientation unit,X-ray crystal analyser,Automatic Crystal Blank Sorter,seam sealer,base plater etc.
