American Buckle. Company development goes Fergus material of horniness of a kind of new-style agglomeration, can use at making geological exploration bit. This material is preform of tungsten of carbonization of a kind of high strenth, its comprise composition to be: Carbonization tungsten pink 87 ％ , cobaltic 11.7 ％ , nickel 1.3 ％ . Use common pulverous metallurgy law to also can make semifinished product of agglomeration hard alloy, use bit with suiting to make high-powered geological exploration.