Re:About UsWe, 6COM have been produced the media converter and SFP modules more than 5 years with more than 80 regular items with a lot advantage both on the price, qulity and delivery. Our item have CE and RoHS certification are popular in European market.please browse our website ***** Re:Our advantaged itemMedia Converters, Optical Modules, PDH transmitter & ReceiverRe:Fair Informationwe alaways attend 6 fairs every years around the world include HK Fair, Cebit, India, Russia, USA, Spain.