Longjing village has a total of 236 households, among which 41 used to be poor households. Thanks to the guidance of the poverty alleviation working group stationed in the village and local officials, 90 percent of these poor households in the village have planted mango trees and no one is below the poverty line anymore. In the past, coal industry was the pillar industry of Huaping county. The output value of coal industry even accounted for 70 percent of the total industrial output value of the county for a time. Longjing village has established a village-level mango trading venue. The village invested nearly one million yuan in cold storage and improvements on products packaging, and that buyers for mangoes are directly introduced by the cooperative of the village.