Topstar is one of the biggest distributor of optical modules for Finisar, Brocade, Cisco, Avago, Huawei etc in China for 7 years. Generally we have sufficient inventory (30-40K) in our warehouse every month to supply all kinds of customers (monthly selling: 3-5K), we especially have plenty of Finisar SFP, SFP+, XFP all series , and Cisco Glc seires, Brocade all series and many other brands.We back up every sale with our risk-free money-back guarantee! You can buy with confidence from a company in good faith that has been serving its customers for over 7 years!We look forward to reaching a cooperation with esteemed your company, by providing the top-class quality products and 100% whole-hearted services!More real details, you can see our presentation video from my Yutube: (this video was record last year, and we had moved to a bigger office in May this year, the new video will share with you once available)Company: Topstar Technology Industrial Co., Ltd Email: dsale at topsfp doc com Skype: dsale.topsf