HY-50 Of China HuanYu portable hydraulic core drilling rig is a small sampling drilling equipment widely used in plain, mountainous areas and inconvenient areas. It has the advantages of compact structure, small footprint, light weight and convenient movement. it is suitable for railway, water conservancy and other construction projects and geological sampling and survey of outdoor mountainous areas, geological core exploration, small grouting holes, blasting holes, etc. Drills such as diamonds, composite sheets and alloys can be selected depending on the formation.