GP TOOL is the professional leading manufacturer of the portable Industrial Drill bit and End Mill sharpeners in Taiwan. We are offering the variety of products to meet the sharpening needs with high precision quality and ease operation .We have strong R&D team to devote for innovation of sharpeners and the parts are produced by ourselves in Taiwan to control the product quality . Our product has approved with technical patent and international approval certificate such as TUVcus and TUVGS mark.