About YF Established in 1982, Ninghai Yingfeng Optical Components Co., Ltd. is a professional hi-tech fiber-optic enterprise integrating R&D, production and sales. Inspired by our approaching objective of "To achieve the top brand of fiber optics in China", we are aiming at supplying the best service for competitiveness and high efficiency for development. In addition, YF Optical has attained ISO9001:2000 certification, and our products are RoHS compliant. History & Development of YF 1976: Our first manufacture plant was set up. 1982: YF was founded in Zhejiang, China. 1996: YF expanded into a great extent, fully engaged in R&D, production & distribution. 2007: Our Shenzhen Branch was founded. 2009: Our Ninghai Branch was founded. 2010: Our Shanghai Branch was founded. Why YF? We have: The latest and most advanced equipment in the world, More than 40 employees