AAC Telecom is a private high-tech enterprise focuses on the R&D, production and marketing of Fiber Optical products.An independent export department devoted to sourcing activities, specializes in offering various compatible XENPAK/XFP/X2/SFP/GBIC modules and overstock products,that can be used on most of major switches such as Cisco, 3Com, Extreme, Nortel and so on , as well as dozens of partner factories, which specialized in producing Media Converter, Fiber Cable and test equipments all over the world.