Dear Bronia, Thank you very much for your positive feedback on the quality of our goods. Your satisfaction is the ultimate goal we have been striving for, and it is also the best reward for our team's efforts. Best regards, Aura

Hello, my dear brother Thank you so much for your evaluation. For your request, our copper material is absolutely guaranteed to be 100% pure copper, and the rubber material is customized for you according to your purchase cost. If you want higher quality rubber products, we will definitely provide you with the most satisfactory products in the next order, and look forward to your cooperation again. Thanks again. Nikita