... carving knife, computer engraving machine, engraving machine grinder machine for knife is aimed at turning tool, bit, cutter, carving ... , 3000,3500,4500 can be selected. grinder machine for knife Precision type:High-precision, high transmission ball screws ... kg)150028503200HANVY Machinery, specilized in the manufacture and R&D for woodworking machines,plywood production equipments and log home machinery ...