We got a bit confused with your words about the freight for samples. To make sure that we are on the same page for the freight cost paying while sending via EMS, please check and kindly confirm if the words below are acceptable.1. You send the samples and pay the freight while sending; we return the samples and pay the freight while sending.2. We send the defective frames pay the freight while sending; if there are frames repaired, you send the frame and pay the freight while sending.