... )weight:5g-20kg,dimension:5x5-200x200mm 5)Ten-year OEM Silica bronze castingsMaterial and Equipments:Material:various kinds of brass,bronze ... ,C83600,C94300,C95500,CuSn12Ni2,HPb59-1,HPb58-3 etc..Casting:Silica sol lost wax casting(precision casting,investment casting),Sand casting ...