Carbide End Mills, Carbide Rods, Carbide Drills manufacturer / supplier in China, offering Gw Carbide-3xd External Coolant Tungsten Carbide Drill Bits for Cast Iron Machining, Grewin&Cowee-High Quality Tools Carbide Micro Precision Drills/Tungsten Carbide Micro Diameter Drill Bits, Grewin&Cowee-2 Flutes Taper End Mill Tungsten Carbide Ball Nose End Mills and so on.