The management of Beijing Ancient Jade Specimen Research Center said that the purpose to hold this exhibition is to deepen people's knowledge about this special carving art, let more people know what "aliens" look like and attract more people to join the research of the forms and art of the "aliens". (Source)
But it gets worse.
The Center’s director, Wang Zhen, claims that the jades are 100 MILLION YEARS OLD and carved with a laser.
But this doesn’t change the fact that China is apparently endorsing pseudoscience about ancient astronauts at the expense of legitimate history and archaeology.