Take your icon game to the next level. Check out Fonticons, from the maker of Font Awesome.
             

fa-weixin · Unicode: f1d7 · Created: v4.1 · Categories: Brand Icons · Aliases: fa-wechat

After you get up and running, you can place Font Awesome icons just about anywhere with the <i> tag:

fa-weixin
<i class="fa fa-weixin"></i>

Looking for more? Check out the examples.