comment box under post

i want to creat something just like this, you have your post and below you have your comments from users

this is my test site

please help me resolve this 🙂 spent so many days resurching and unable to figure it out

[closed as duplicate – please continue with the original topic: http://ww.wp.xz.cn/support/topic/how-to-creat-a-comment-post-box-for-products?replies=4 and add any new information there]