Cangzhou Yuandong Drilling Tools Co., Ltd is a professional manufacturer and exporter that is concerned with the design, development and production of drilling tools. We are located in Hejian Juanziguan industrial district, with convenient transportation access. All of our products comply with international quality standard and are greatly appreciated in a variety of different markets throughout the world.Our company is mainly engaged in drilling tools, such as, hdd rock reamer, roller cones, tricone bits, drilling pipe, stabilizer and so on. We can design all the rock reamer/hole opener for horizontal directional drilling as yours special request, just like screw type and roller cone sizes.If you are interested in any of our products please feel free to contact us, we will 24 hour stand by for your any question. We can assure you that our products are of best quality and reasonable price.