About us Shandong Yanggu Constant Crystal Optics,Inc was founded in 2006 , is the professional manufacturer for optical components and crystal .We have 1000 square meters Non-dusty workshop ,advanced manufacturing lines full series of equipments bulit keep enhancing ability responding to customer demand reapidly ...

With more than 20 years of industry know-how, Shenzhen TKD designs and manufactures frequency components. Our product range includes SAW resonators filters, quartz crystals, crystal oscillators, ceramic which are widely used in telecom products, remote controls, computers multimedia devices. 14,000-square-meter ...

GZ Bh-unity Electronic Technology Co., Ltd.was established in 2010.We are a professional supplier that exports spare parts of advertising equipment ,ink ,printer etc.Our products cover all the outdoor eco-solvent indoor printer, out door printer like infiniti crystaljet A-print iconteck JHF Myjet etc mutoh mimaki roland ...