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China has successfully defended its key corn-producing areas against the invasion of fall army worms, a destructive pest that has spread to 25 provincial-level regions since its first sighting in January, the Ministry of Agriculture and Rural Affairs said on Tuesday.

China initiated a new round of measurement on the height of Mount Qomolangma on April 30. The measurement team consists of members from the Ministry of Natural Resources and the national mountaineering team.

China is implementing the largest tax and fee cut of recent years, saving enterprises and individuals nearly 1.35 trillion yuan (about 9 billion) in the first seven months of this year. As a trade-off, governments at all levels are told to "tighten their belts".

China is also leading in industrial innovation, particularly in the automobile, information and logistic industries, said Huang Jinghua, professor of advertising at the Communication University of China.

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.