This product is provided by the company WEIHAI ZHONGYI HYDRAULIC TECHNOLOGY CO., LTD. . Please contact for more information.
Northseeking Gyro, Magnetic SingleShot-Multishot, Core Orientation
High-Pressure, Durable, and Globally Trusted DTH Drilling Solutions
Core Barrels & Overshots (Surface, Underground, Double & Triple tube)
Reaming shell