Shenzhen C-Light Network Communication Co., ltd is a fast developing manufacturer of optical transmission products in shenzhen China. We professionaly manufacture and distribute the optical transceivers to worldwide customers. SFP+, SFP, XFP, BiDi, CWDM, DWDM, PON are the best sales with C-Light. Reliable product quality, Affordable prices, Wide ion, Best compatibility, Big production, Fast business service, are shared with customers. We do best, then customer do better.