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China is the world's second largest economy, largest industrial producer, largest trader in goods, and largest holder of foreign exchange reserves. Moreover, with its large population of 1.4 billion and a rapidly growing middle class, China is the world's largest and most promising market.

China has simultaneously rolled out measures to control the levels of PM2.5 and O3, while further research will be targeted on O3 formation mechanisms to better contain the pollutant.

China hopes the United States will join efforts to explore appropriate ways to resolve differences and promote cooperation between the world's two largest economies, the Ministry of Commerce said on Thursday.

China is also working on what will be a "substantial" tariff reduction for imported cars, Chen Yin, chief engineer of the Ministry of Industry and Information Technology, said on Wednesday.

China has vowed to eradicate absolute poverty by 2020.