For 1000BASE-SX, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 1000BASE-SX has been well received by many customers and enjoyed a good reputation in many countries. Importgm International limited 1000BASE-SX have characteristic design & practical performance & competitive price, for more information on the 1000BASE-SX, please feel free to contact us.