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!...