A merchant displays matsutake, a kind of fungus, in Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

Villagers sort matsutake, a kind of fungus, at a matsutake industrial park in Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

Photo taken on Aug. 14, 2018 shows a matsutake market in Yajiang County, southwest China's Sichuan Province. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

A matsutake merchant (2nd R) bargains with a farmer in Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

A merchant rates matsutake, a kind of fungus, in Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

Workers carry newly-picked matsutake, a kind of fungus, into a cold-chain warehouse in Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

Workers slice fresh matsutake, a kind of fungus, at a matsutake industrial park in Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

People process express delivery of matsutake in Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)

A villager picks matsutake, a kind of fungus, in Wangxia Village of Yajiang County, southwest China's Sichuan Province, Aug. 14, 2018. To support farmers develop matsutake farming and increase villagers' income, local government has introduced logistics enterprises in the past two years. So far, more than 2,000 tonnes of matsutake have been sold via express delivery. (Xinhua/Jiang Hongjing)