Before the US Treasury Secretary Yellen visited China, he met with Chinese ambassador to the United States Xie Feng and had a "frank and effective" dialogue.

According to Reuters on Tuesday (July 4), a statement issued by the US Treasury showed that Yellen had a "frank and effective" dialogue with Xie Feng before visiting China.The two sides have supported the efforts of the efforts to maintain the communication channels and the responsible management of the United States and China, which is consistent with Yellen's upcoming access to Beijing.

Statement also stated that Yellen raised concern in the dialogue between the two sides, and also expressed the importance of the two largest economies of global challenges, including macroeconomic and financial issues.

Yellen will visit Beijing from July 6th to 9th.The Chinese Ministry of Finance confirmed the date of Yellen on Monday (July 3) in the morning.Reuters reports that a senior official of the US Treasury officials on Sunday (July 2) said that during the visit of Yellen, it will hold a meeting with senior Chinese officials to discuss extensive issues, including the United States' concerns about China's new anti -spy law.