We insist on offering premium quality manufacturing with superior business concept, honest product sales as well as finest and fast assistance. it will bring you not only the good quality product or service and huge profit, but the most significant is to occupy the endless market for 38mm Drill Bit, Gas Rock Drill, Threaded Rod Drill Bit, Coal Drill Bits,Portable Rock Drill. Our firm warmly welcome friends from everywhere in the globe to visit, examine and negotiate business enterprise. The product will supply to all over the world, such as Europe, America, Australia,Washington, Malaysia,Philippines, United States.As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.