China News Service, Beijing, August 20 (Reporter Li Xiaoyu) Gao Feng, a spokesman for the Ministry of Commerce, said on the 20th that the United States imposed transaction bans on Chinese companies on unwarranted charges. There is no factual and legal basis, which seriously damages the legitimate rights and interests of companies. Violate the basic principles of market economy. The Chinese government is unwavering in its determination to safeguard the legitimate rights and interests of its own enterprises, and once again urges the US to abandon its wrong practices and stop unwarranted suppression of Chinese enterprises.