The document discusses China's economic developments and problems. It covers China's economic reforms under Mao Zedong, Deng Xiaoping, Jiang Zemin, Hu Jintao and Xi Jinping. Key achievements include average GDP growth of 9.5% from 1980-1990s, making China the world's second largest economy. Economic reforms transitioned China from a planned to a market economy and brought hundreds of millions out of poverty. However, problems still exist such as income inequality, employment, and environmental damage.