Thanks for you link to Pandaphone:

Pandaphone specializes in offering China cell Phone Rental, China SIM card sale and China cell phone sale to travellers .We are committed to solving your communication needs and your travel needs---business or leisure----during your staying in China.
If you are or represent a travel agent, ticket agent, hotel, resort, destination marketing
organization, cruise line, airline, insurance agent and you are interested in linking on Pandaphone.com, or if you are a non-travel/tour linker interested in marketing to a highly desirable audience on Pandaphone.com, please contact our Sales & Marketing Manager at Grace@pandaphone.com. Please ensure that our link information is listed as follows where possible.