H.H. Drill-Tech is a key enterprise specializing in design and manufacturing drilling equipment and drilling tools including geological exploration and trench-less drilling in China. Our products are well sold all over China and exported to over 40 countries and regions of the world. At present, our main products consist of spindle core drill rigs, hydraulic core drill rigs, underground core drill rigs, portable core drill rigs, and trench-less drill rigs. All these make complete series products including over 80 varieties of models and types; and also drilling derricks, drilling tools and mud pumps, and over 70 relevant other auxiliary equipment.