If you need the sample of our products for your evaluation or test, please note our company policies as follows: A) If the sample costs less than US$10.00, we can supply the sample to you free of charge, but the freight cost shoudl be at your side. B) If the smaple costs over US$10.00, we need charge sample fees, and the freight charges; but once you place order to us later, we will return those fees to you. C) we can send the samples to you within one week after sample order confirmati