汽车的活塞环给大发

auto piston ring for daihaisu 92mm*3.5+2+4 3 rings all netiriding. this is tp type.we also have rik type we also can produce by your samples: 1)material:nodular iron,cast iron,steel,alloy,and etc(we can do as customer's request) 2)surface treatment:polishing,plating,oxidation,phosphating,and etc(we can do as customer's request) 3)packing:as customer's request 4)prduct advantage:reduce fuel consumption my factory also produce auto water pump