Pneumatic Air Crawler Borehole Rotary Drilling Rigs for Coal Mine Popular Applied in Austrlia Jingyi Machinery(Zhongshan)Co., Ltd. Base Info Description Overview Product Description0.4-0.7After Sales Service 1. WARRANTY: 12 months. 2. Engineers are available to service machinery overseas! Pre：2022 Hot Sale Dfq-200 200m DTH Portable Borehole Drilling Rig Next：Transportation Equipment for Longwall Face Inblock Casting Without Welding Scraper Conveyor
