The improved technique of stacking tobacco leaves was studied in the bulk curing barn to solve the problem of insufficient tobacco leaf amount in conventional bulk curing process.

Due to the increasing amount of municipal solid waste (MSW) generation and the insufficient waste treatment capacity in Beijing, MSW management system is facing the trend of reducing and recycling.

But generally speaking, on one hand, rural credit is insufficient in total amount and the phenomenon that the rural fund outflows is rather serious.