Piston Ring manufacturer / supplier in China, offering for Man Automobile Piston Ring Dieselmotor720.05/083593cm3, for Man Automobile Piston Ring D0022m161. D0024m220221 D0026m1/2h, for Man Automobile Piston Ring Dieselmotor599.3017cm3 270, 470, 475, 485.570, 585, 685.785 and so on.