Changzhou's resistance, precision tools Co., LTD.- - - - the whole hard alloy drills, mills, reamer plug, hard alloy saw blade mills, alloy blades, spiral end mill, non-standard steps/straight blade drilling, knife, corn in R/corrugated/taper milling cutter, take R tools, non-standard welding knife, forming type knife knife, etc) difficulty tool thread, processing center tools, cutting and other kinds of CNC processing field. And various kinds of non-standard tools design and manufacturing. Contact number: 0519-83431625 fax: 0519-88789688 mobile: