dear mr.xx, thank you for your attention. we really appreciate it. we sent you the samples, hoping to make you satisfied. should you he any questions, pls do not hesitate to contact me. we will try our best to meet your requirements.
网友回答：The sample already sent out by DHL.......Hoe you can get it soon.
网友回答：头两个感谢，感觉应该一个，还有就是“hoping to 。。。”我觉得应该改成“we are sending you the samples in the hope of satisfying you”PLS的话改回全称比较好，毕竟可能有些人不懂，是可能，最后再补充个“thank you”什么的表示感谢就行了