ABOUT
Position : Home » ABOUT
      Changzhou Jianfei Machinery Manufacturing Co., Ltd. (Former Sunan Colliery Machine Factory of Jiangsu Province) is the professional manufacturer of LM type raise boring machine and accessories.
      Relying on the original technical advantages and strengthening cooperation with scientific research institutes, it has become the designated production units of special equipment in China Coal Mine.
      “Quality first,good service,customer satisfaction”is our business policy. Not only provide high-quality products, but also strive to provide perfect after-sales service,we look forward to working with you to create a better future!
      Product range: Raise boring machine is widely used in such sectors as colliery、metal mines、water conservancy and hydropower for construction of winze, to drill the ore bin、ventilation shaft、cable pit、drain hole、waste stone leaking shaft. Different types of boring machines can be selected by the customer according to drilling diameter and depth. This device uses the first positive drill guide hole, then reverse reaming operation means.

      The raise boring machine adopts fully hydraulic drive. It is a novel model with compact structure and high mechanization. It is convenient to transport, easy to operate, thus able to work under explosion-proof required environment. With strong adaptability, the boring machine has the characteristics of safe construction under different geologic conditions, high bore quality and low construction cost.