... 15 percent and molybdenum is 1-3 percent. 2,Character: high hardness, wear-resisting, anti-dirty ability ... .4,The hardness is HRC65-72,the working face precision within 0.015um, flatness up to 0 ... such as SHANTUI, SHANGHAI, YELLOU RIVER, YISHAN AND QINGGONG;(2)Japan bulldozer (KOMATSU): D50, D60, D80, D85, ... HUANG GONG ARD and many mining machinery customers(2)taiwan(3)Europe,America,the UK,Australia(4) ...