Big countries are putting more taxes on things they buy from each other.

China's economy grew by 5.4% from January to March. They sold many things to other countries. But people think it will grow slower soon. This is because the U.S. will add more money to things from China.

China sells many things to other countries. This helped China grow 5% last year. China wants to grow about 5% this year too.

China is angry at the U.S. and put a big tax on American goods. China says it still wants to trade with other countries.

Sheng Laiyun said the taxes will hurt China's economy now, but not for a long time.

China changed who talks for them. We don't know why. China says it can use its big market at home or talk to Europe and other countries instead of the U.S. But people in China are not buying a lot, so it is hard to sell things without the U.S.

China also stopped selling some rare metals to other countries.

Before this job, Li worked for about 4.5 years as China's ambassador for trade.

He also worked for China at the UN in Geneva and other groups in Switzerland.

He also worked at the Ministry of Commerce. He helped the minister and was in charge of the rules.

Li studied law in China and economics in Germany.