销售各种新旧原装品牌（FINISAR,CISCO,FOUNDRY,JUNPIER,ALCATELD,NORTEL,D-LINK,ETC)光纤模块（GBIC,SFP,XFP,XENPAK,X2,SFF,单纤双向SFP)及自有品牌兼容光纤模块