Sparanoid

A must-have plugin if you’re running a Chinese blog. This plugin also works fine with multisite enabled WordPress (aka. WordPress Mu).
No options, no additional database inserts, no stupid banners and shitty ads, install and go.
你客戶／合作夥伴不光文案寫的爛，而且還不會排版？Space Lover 可以幫到你。它會神奇的在中文、日文和英文、數字、符號之間自動加入空白，讓客戶網站的文案、文章看上去規範整潔。
無選項、無 MySQL 插入，無廣告，安裝即用。
覺得這招治標不治本？也可以試試 <a href="https://github.com/sparanoid/chinese-copywriting-guidelines" rel="nofollow ugc">sparanoid/chinese-copywriting-guidelines</a>，讓你的客戶／合作夥伴學會如何正確的排版。
Before:
<pre><code>今天出去買菜花了5000元
</code></pre>
After:
<pre><code>今天出去買菜花了 5000 元
</code></pre>

Space Lover

Magically add an extra space between Chinese characters and English letters / numbers / common punctuation marks

Studio Hyperset

Scan your website for words and phrases that the Chinese government considers sensitive. Edit or remove content the plugin identifies, and decrease the chance your site will be blocked by the Great Firewall of China. If your site’s already being blocked, this plugin can help you discover possible reasons why.

The Great Firewords of China

Scan your website for words and phrases that the Chinese government considers sensitive.

Space Lover vs The Great Firewords of China