For Back pack type core drill, 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 Back pack type core drill has been well received by many customers and enjoyed a good reputation in many countries. ZHEJIANG HENGYUE MACHINERY CO., LTD Back pack type core drill have characteristic design & practical performance & competitive price, for more information on the Back pack type core drill, please feel free to contact us.