1.Hydraulic pump part/Hydraulic Parts 2.OD:60-320mm Thick 8-35mm 3. Continuous ... railway vehicle, oil machine,engineering machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machinetool,metallurgical equipment etc.Meantime, we also supply ... no pore,sonim... Adapt to strict requirments in precise manufacturing. hydraulic pump part