Established in 2001, AAC Telecom is a private high-tech enterprise focusing on the R&D, production and marketing of Fiber Optical Products. It is an independent export department devoted to sourcing activities, specializing in offering various compatible XENPAK/XFP/X2/SFP/GBIC modules and overstock products which can be used on most of major switches such as Cisco, 3Com, Extreme, Nortel and so on.