For 56G QSFP, 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 56G QSFP has been well received by many customers and enjoyed a good reputation in many countries. Kewei fiber56G QSFP have characteristic design & practical performance & competitive price, for more information on the 56G QSFP, please feel free to contact us.