Our company's annual production and operation: three cone bit (inserted tooth|steel tooth),single cone bit(inserted tooth|steel tooth).We will be in accordance with customer 's requirements and the actual drilling situations to provide specific solutions, to produce what you require any diameter of the drill head assembly, including a large diameter pile drill machine, different type of drill, reamer, drill bit, directional well, another company also operates elevators, safety of kava, centralizer, drill pipe, fishing tools drilling accessories.We have received the favor of new and old customers by virtue of "fast delivery, good quality, cost Province".Welcome to telegraph Chuanda drilling tools limited company, high-quality service, credible quality.