For DY3500LBi, 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 DY3500LBi has been well received by many customers and enjoyed a good reputation in many countries. XINGYUEDY3500LBi have characteristic design & practical performance & competitive price, for more information on the DY3500LBi, please feel free to contact us.