Yantai Zhonghong Electronics Co., Ltd is a professional manufacturer for the development and production of crystal oscillators. The company has the capacity of volume production based on the IEC standards with the imported production equipments, flow chart and testing system as well as the advanced administration experiences. Company’s target is to seek "Quality, Service and Commitment" as the quality policy and "Zero defect of Product" as the quality objective. Precise testing devices, imported automatic equipments and professional workers provide a reliable guarantee for the production of high-quality products. Company's products mainly include HC-49U, HC-49U / s, HC-49U /s-SMD, UM-1, and UM-5 series crystal oscillators and auxiliary products such as piezoelectric crystal vibrators fixed silver glue.