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China's southwestern Yunnan province pioneered biodiversity legislation as regulations took effect on Jan 1.

Chinas' Sinochem Group Co, which has interests in chemicals and other agriculture-related services, has conducted field trials of hybrid wheat varieties and realized on average 24.4 percent increase in crop yields, according to company officials. It is also playing an important role in boosting trade ties under the country's innovative Belt and Road Initiative.

China's protection of intellectual property rights has been effective, said He Hua, deputy director of the National Intellectual Property Administration, adding that the US allegations of ineffective IPR protection are groundless.

China-CEEC cooperation has seen enormous achievements, beyond expectations, in many areas, Li said. For example, the first three quarters has seen bilateral trade up by 14.1 percent. And over the past five years, Chinese investment in the region has doubled and the number of Chinese tourists to CEE nations has tripled to about 1 million.

China's top economic planning body is urging for efforts to improve ways to promote electric cars and plug-in hybrids, as part of the country's overall eco-friendly production and consumption campaign.