Wilson Precision Tool Inc is a professional manufacturer of carbide cutting tools, headquartered in the U.S.A., with plants based in China (Shanghai Well-Sun Precision Tool Co., Ltd). Decades of experience in researching and producing tungsten carbide cutters has brought it to be a leader in cutting tools field worldwide. By choosing high-quality tungsten carbide rods of world-famous brands as the raw materials, and processing them with 5 axis CNC grinder machines, Wilson ensures the best quality of our products Please contact Cider Chen(ciderchen at wilsonprecisiontool dot com) for more information..