According to Xinhua, Chinese Foreign Ministry spokeswoman Jiang Yu stated, at a regular press briefing on January 12, 2010, that China opposes the United States having any form of official exchange or contact with Taiwan.
Jiang made the remarks when asked to comment on Taiwanese president Ma Ying-jeou’s Honduras tour with a scheduled stopover in the United States. Jiang said, "We demand that the United States abide by the principles laid out in the three Sino-U.S. joint communiqués and properly deal with the related issue with caution."
Source: Xinhua, January 12, 2010
http://news.xinhuanet.com/world/2010-01/12/content_12797259.htm