He was referring to the first summit between US President Donald Trump and the DPRK's top leader Kim Jong-un in Singapore in June last year.
He was brought back to to Lanzhou on Friday.
He stressed that preparations for the congress must take in wisdom from people of all ethnicities in the country.
He stuck to a previous timeline for the all-new 777X twin-aisle jet, which Boeing aims to fly later this year and deliver to airlines in 2020.
He said the two peoples have a long and enduring friendship even though they live at opposite ends of the Eurasian land mass.
He was afraid that no one would understand his spoken English, but the Swede did. So Xu helped him find his hotel.
深圳人流手术哪里比较好
He said the Netherlands is willing to participate in the first China International Import Expo, which is slated to be held in Shanghai from Nov. 5 to 10 this year.
He said the first meeting between the two presidents this year pointed out the developing direction of the Sino-Russian relations, and made a good start for the neighbors to celebrate the 70th anniversary of the establishment of diplomatic ties.
He said that the opposition politicians criticizing the move were putting politics above public health.
He told the UN committee that the Shoton Festival kicked off on Saturday, a festival which was granted a national intangible cultural heritage status in 2006.