YG series well drilling rig is a kind of lightweight, efficient, multi-functional drilling equipment. With wheel, easy to move and saves operation cost. With ball clamping mechanism instead of chuck, enables implement non-stop down rod.
[pdf] The HD55 uses the same frame as its heavier-duty stable mate, the HD77, and provides the ideal balance of power, features and portability for lighter commercial applications where maximum portability and a greater depth range are needed at an affordable price.
[pdf] Built for mobility and precise down-the-hole drilling in small to mid-scale construction sites, JC710 offers a balanced combination of compact design, efficient power transmission, and stable hole-forming performance.
[pdf] 
