This is PCPR(perfect circle piston ring)CO.,LTD. From China. .cn We had over 60 year manufacturing background in piston rings, available for (Korea) Hyundai, Kia,Daewoo,(Japan) Toyota, Nissan, Mazda, Daihatsu, Hino, Isuzu, Komatsu, Mitsubishi, ( Euro & America) BMW, Benz, Opel, Peugeot, Renault, chrysler, calayster, DAF, CitroenFiat, Iveco, Ford,Land rover, Man,RVI, Saviem, Volkswagen, ,Deutz, Cummins etc,