On April 28, the Ya'an Municipal Administration Service and Public Resources Trading Service Center announced that the mining right of Bajiaowan Sandstone Mine for Construction in Yucheng District, Ya'an City, Sichuan Province would be sold for 10 years at a starting price of 72 million yuan. The mining area of the
project is 1.4393 square kilometers, with resource reserves of 35.9112 million cubic meters.