Your website contents in many ways is the simplest to adapt for the Chinese market. While there are elements of change which performed by your website developer, e.g. making the website be seen clearly on a mobile, most of the change is around the contents of your website and therefore the changes needs to driven by your business.
Having simple few website pages, i.e. your business card and brochure, is better than a website which is incorrect when trading overseas.
If time does allow for major website changes we recommend simplifying your website and removing out of date contents.