Does everyone that writes a review earn at least .1 BTC? Or must the article first be approved for a certain level of quality? Can we instantly withdraw the .1 BTC instantly? Also, the link you posted is in Chinese. For those of us who don't speak Chinese, where can we submit a review?
An article with 300 words. Approved by editor should be easy, you should have a try.
Huobi.com has an English UI, that shouldn't be any problem using huobi.com Only this promotion page is in chinese, but after you login to huobi.com and get account ID verified as U/C2, you can see the page as follow. then you can submit you link in the button below: