Dianind products are applied to rocessing hard brittle netal meteal material and nin -- metal material , such as cementedcarbide ,castironceranicglass,PCD&PCBN ,GEN ,gem ,ferrite,refractory material , fthermal spray coated articles , etc . CBN products are applied to processing hard metal material whih good toughness and high strength,such as high speed steel, toolsteel,die steel , stainless steel , cast iron Titanim alloy , etc .