On March 6-7, 2023, six representatives from Xiangxi UGGp in Hunan Province came to Tianzhushan UGGp for an exchange visit. The delegation first visited Tianzhushan Geopark Museum, then both UGGps held a discussion and exchange meeting, during which, both UGGps signed a "sister parks" agreement and formed a friendly cooperation relationship. Both sides will work together to promote the scientific management and sustainable development of UGGps by exchanging and sharing experience in the areas of protection and management, planning and construction, geological research, and science popularization, etc.

The delegation successively visited the granite landform area, Valley Stream cultural park, Doumu national intangible cultural heritage site and fossil sites of Tianzhushan UGGp. The two sides had an in-depth exchange and discussion on the construction and management, scientific research and popularization as well as the revalidation work of UGGps.