In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of Sfp 40km, Rugged Managed Switch , Passive Poe Switch , Programmable Ethernet Switch ,Ethernet Fiber Switch . We sincerely expect exchange and cooperation with you. Let us move forward hand in hand and achieve win-win situation. The product will supply to all over the world, such as Europe, America, Australia,Thailand, Botswana,Stuttgart, Philippines.We look forward to hearing from you, whether you are a returning customer or a new one. We hope you will find what you are looking for here, if not, please contact us immediately. We pride ourselves on top notch customer service and response. Thank you for your business and support!