Optical receiver, Optical node, fiber optic receiver, fiber optic node, FTTH, CATV. Shenzhen Longing Technology Development Co., Ltd is a leading optical receivers manufacturer. As an expert in this very specific field, we have developed most advanced technology and shaped our optical receiver products to the highest level in this industry. Due to our continuous efforts and mass production in big volume, we are able to control the cost and bring our customers advantages in the competitive mar