(Photo/People.cn)

4.Chinese Liquor

Every ton (2205lb) of grain can produce 50kg (110lb) Chinese liquor, among which 5kg (11lb) contributes to top brands like Wu Liang Ye, and the rest goes to other inferior brands. Each ton of grain normally is worth 1,600 yuan while Wu Liang Ye Liquor is priced at as much as 15,000 yuan in the market.