Xi made the comments while he visited Zhangjiakou, the co-host with Beijing of the 2022 Winter Olympics.
Xi, also Chinese president and chairman of the Central Military Commission, stressed upholding and improving the Party and state supervisory systems, adding that the efforts would ensure the Party's line and policies be faithfully followed and provide a strong guarantee to securing a victory in building a moderately prosperous society in all respects and fighting poverty.
Xi called the Chinese doctors ambassadors for brightness and friendship, saying they have not only brought sight to Laotian patients, but also contributed to the friendship between the people of the two countries.
Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era has been written into the CPC Constitution and the country's Constitution.
Xi told audit authorities to make efforts to build up an auditing force with firm belief, professional skills, pragmatic work style and integrity.
Xi also said China is ready to join with African countries including South Africa to usher in a new era of China-Africa cooperation.
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Wukong Bicycle's collapse occurred just days before Mobike announced it had raised more than 0 million to finance overseas expansion.
XINING - China's first commercial solar thermal power station has begun a test run and is scheduled to send power to the grid by the end of this year, said the operator on Monday.
Wuhan has been the Chinese city hardest hit by the outbreak. As of the end of Tuesday, it had reported more than 50,000 confirmed cases, accounting for more than 60 percent of all cases on the Chinese mainland. But the number of new cases in the city fell to single digits in mid-March and has remained at zero or single digits since.
Xi's state visits to Brunei and the Philippines have brought great opportunities for the development of China-Brunei and China-Philippines relations.