1.Hydraulic pump part/Hydraulic Parts 2.OD:60-320mm Thick 8-35mm ... -2/800-1) ---spheroidization rate 1~2,ball diameter 7~8,ball number 400~600/mm2 ---compare sand ... railway vehicle, oil machine,engineering machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machinetool,metallurgical equipment etc.Meantime, ... ... Adapt to strict requirments in precise manufacturing. hydraulic pump part