Chinese companies' assistance in rebuilding the infrastructure system in the US comes at an opportune time.
The website guides Chinese investors on doing business in the United States.
The agricultural ministries of China and the United States are to boost levels of cooperation to benefit mutual development.
China will continue to boost economic and trade cooperation with the United States in the future, Chinese Vice-Commerce Minister Gao Hucheng said on Sunday.
The yuan rose to an 18-year-high on Friday, climbing as Vice-President Xi Jinping prepares to start his trip to the United States next week.
China's government will not sit by and will retaliate in kind against the United States if a measure targeting the yuan becomes law, said the Ministry of Commerce.
Top US officials said Friday they will explore export opportunities for American products at high-level bilateral trade talks in China later this month.
Blaming China will not solve problems in the United States or help presidential candidates win more votes, a Foreign Ministry official said.
China trimmed its holdings of US Treasury debt by $14.2 billion in October, driving its holdings to the lowest level in 2011.