The wage is so so. But if they include living expense and a flat it might be worthwhile.
But then again the wages for graphic designers have really dropped in the past several years. After the dot com bust.
Check out the JOBDB.com or South China Morning Post Classifield - JOB section. Might be able to get some ideas. They are in english also.
Also heres a website that will help also.
http://www.recruit.com.hk
Hope this helps,
Cliff