In his message, Xi said he was shocked to learn about the huge explosions in Beirut, which caused heavy casualties.
China has never prohibited or prevented relevant accounting firms from offering audit work papers to overseas regulators, the CSRC said.
"It is certainly something that we can achieve together," he said.
China's major achievements in the past decades show that the path of socialism with Chinese characteristics fits China and has also benefited the world, Wang said.
"It's not fair to make such allegations without giving any evidence and to accuse China of not giving American companies a level playing field while at the same time they themselves are denying Chinese companies such a level playing field. This is extremely unfair," he said.
Noting China will not allow these people to get their way, Wang stressed that China rejects any attempt to create a so-called "new Cold War", because it contravenes the fundamental interests of the Chinese and American peoples and the global trend toward development and progress.
The companies, in line with market principles and international rules, have conducted commercial activities in the United States while following local laws and regulations, Wang told a daily press briefing.
Any idea for regional cooperation should be in line with the general trend, and conform to the people's will. Otherwise, it will not win the support of regional countries, the spokesperson added.
China to make cool-headed, sensible response to U.S. impulsive moves, anxiety: FM
Iraq has been suffering fragile health systems due to years of conflicts and violence. Before the Chinese-built lab went into operation, the Central Public Health Laboratory in Baghdad was the only place to conduct PCR testing, facing mounting pressure to test samples across the war-torn country.
Noting that China's economic growth turned to positive in the second quarter, Zhao said the Chinese economy has withstood the impact of the epidemic and demonstrated strong resilience and development potential.