geological core sampling drill Portable engineering geological sampling drill

YQZ-50A hydraulic core drilling rig 1.Introduction of YQZ-50A hydraulic core drilling rig YQZ-50A hydraulic core drilling rig is a high, medium and low speed drilling rig with hydraulic pressure feeding. The rig is suitable for geological drilling of complex terrain such as mountains, hills and rivers, engineering geological survey of buildings, and drilling of blast holes. In order to meet the needs of different users, the rig can be equipped with one of three powers of