Experiments of plastic film mulching and time of removing were carried out in Liangshan Tobacco Research Institute.

Yele Hydroeletric Project, With the leading reservior station of Nanya river cascade development, is located on Nanya River in Mianning county and Shimian county of Sichun Province .

Mianning rare earth High-tech Industrial Park locates in Mianning County, Liangshan Prefecture, Sichuan Province. Mianning's rare earth storage is the second largest in China.