For 20 inch, 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 20 inch has been well received by many customers and enjoyed a good reputation in many countries. Gongka Heavy Industry Machinery (Shandong) Co., Ltd 20 inch have characteristic design & practical performance & competitive price, for more information on the 20 inch, please feel free to contact us.