... focus on offering bucket teeth, adapters, blades,cutting edge,end bits,power bolt and etc which applied to Construction Machinery (Excavator, dozer, grader ... ,5D9554,5D9558,5D9559, 4T3034,4T3007,4T3036 and so on- Cutting Edge- End bits- Power bolt and Nut.Our main market ... 1700Mpa>=1500Mpa8%HB 440--520>=21J♦Cutting Edge30MnB>=1670Mpa>=1440Mpa9%HB 440--520>=29J♦Cutting EdgeHN8>=1130Mpa>=600Mpa7%HB 280-- ...