China's Ministry of Commerce imposed anti-dumping duties ranging from 9.3 percent to 18.8 percent on Friday on chemicals imported from the US and the EU.
US Senator John Kerry, who is expected to replace Hillary Clinton as the secretary of state, says he wants to broaden the relationship with China.
A delegation of US congressman will take a high-speed train journey from Shanghai to Beijing to gain first-hand experience of the world's second-largest economy.
Some 12.66 million new jobs were created in China last year. The urban registered unemployment rate stood at 4.1 percent at the year-end.
Arctic air sweeping through Canada and parts of the United States sent temperatures plunging to record lows on Wednesday with a wind chill of -40 C.
Apple Inc's sales in China surged 67 percent year-on-year during the quarter ending Dec 29, but analysts warned more intensified competition in the smartphone market.
The number of tourists traveling during the upcoming Spring Festival holiday is expected to hit a record high of 211 million.
The Pentagon lifted its ban on women in front-line combat roles on Thursday in a historic step toward gender equality in US armed forces.
Police in Northwest China's Qinghai Province said Thursday that they have arrested a Tibetan man who allegedly attempted to convince another Tibetan to self-immolate last November.
US President Barack Obama on Thursday nominated former US federal prosecutor Mary Jo White to head the Securities and Exchange Commission.
The number of Chinese mobile phone users reached 1.11 billion as of the end of 2012, according to official data unveiled Thursday.