Punch and Die, Mold Components, Punch Tooling manufacturer / supplier in China, offering High Precision 1, 2 Corner CBN/PCD Solid CBN Carbide Inserts for CNC Machine Finish and Rough Machining, Sundi Excellent Thermo-Chemical Wear Resistance Cubic Boron Nitride CBN Inserts for High-Speed Machining of Hard Metals, Long Tool Life Grooving CBN Inserts with 3 Corner for Machining Gears and Drive Shafts and so on.