After Soviet head of state Kliment Voroshilov's 1957 state visit to China, plans were made to present a pair of them, Pingping and Qiqi, as national gifts to the Soviet Union.

1957年苏联国家元首伏罗希洛夫对中国进行国事访问后，就计划将它们中的一对——平平和齐齐作为国礼送给苏联。