HRC 65 гянт болд ган хоёр ирмэгтэй бөмбөлөг төгсгөл тээрэмдэх …
The new fine-grained tungsten steel material has high abrasion resistance and strength. nACo coating on the edge of the milling cutter dedicated to high-hardness and high-speed cutting applications can directly perform high-speed rough machining to fine machining on the following heat-treated m...