NAME: AIR COMPRESSOR PISTON RING BRAND: JIN LING DIAMETER :42, 47, 48, 51, 52, ... :GB/T19001-2000 ISO9001:2000 TS16949 OEM is availablePiston ring type: diesel &gas oil engine ,air compressor and ... 75,80,82,90,100,105 Nanjing Ruiying Piston Ring Manufacturing Co.,Ltd. If you did not find ... the product you want ,we can manufacture the piston ring according to your sample or product draft. Rigid ...