YUGONG has more than 20 species such as water well drilling rig, core drilling rig, engineering drilling rig, DTH drilling rig, horizontaldirectional drilling rig, etc. These machines are mainly used in geological prospecting, exploration of railway and highway engineering, mining, SPT, water well, geothermal well etc. Some of them won the Scientific and Technical Advance Prize or the National Scientific Research Achievement Prize. All the products have passed the quality system certification of ISO9001:2000 and are national inspection-free products.