Heilongjiang Provincial Archives held an archive open day around the theme of "Striving for a New Journey and a New Chapter of Lantai Spectrum" The public was invited to visit the "Characteristic Collection" archival treasures exhibition, which carefully selected the treasure archives in the archives of the Qing Dynasty Heilong Jiang General Yamen. The earliest of these archives was formed in 1684, which is 339 years old.
This part of the archive contains rich historical narratives and expressions of the integration of the Chinese nation. It has very important reference value and historical significance for studying the history of civilization.