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China has undergone remarkable changes over the years. "Seven years ago, mobile payment and bike-sharing facilities were not so commonly seen, but now Alipay and Mobike bicycles are everywhere," he said.

China is the world's biggest hog producer and consumer of pork, the country's most popular meat. Its total imports were worth about billion in 2017. The United States shipped 9 million in pork to China last year.

China is trying to create and protect a fair market environment for competition and is making service industries, manufacturing, and mining sectors more open to foreign investment, he said.

China has witnessed a steady fall in the number of major criminal cases such as homicide, rape and kidnapping, according to the report, adding that the number of such cases in 2019 was down 34.9 percent from 2016.

China is a leading country in biological control technology, with various techniques applied in agriculture for pest control, including the use of pesticides sourced from plants, insects' natural enemies and artificial hormones that interfere with feeding and reproduction, said Qiu Dewen, deputy chief of the institute.