continue on to further improve, to make sure product high quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for 100g Qsfp28 Active Optical Cable, Gigabit Sfp Switch , SFP+ SR , 10g Dual Fiber SFP+ Transceiver 1310nm 10km ,Vga Fiber Video Converter . Welcome friends from all over the world come to visit, guide and negotiate. The product will supply to all over the world, such as Europe, America, Australia,Madagascar, Johannesburg,Mauritius, Manila.Good quality and reasonable price are our business principles. If you are interested in our products or have any questions, please feel free to contact us. We hope to establish cooperative relationships with you in the near future.