We are a leading supplier of used drill rods, used and remanufactured drill collars, used and remanufactured heavy-duty drill rods, HDD drill rods, and other related drill string components in China. We also offer a complete set of new drill rods, new drill collars, new heavy-duty drill rods, and new Kelly. When you purchase from our company, you will rest assured that you have obtained high-quality products from a reputable source.