Covering an area the size of 170 soccer fields, the complex supplies more than 80 percent of the capital's agricultural produce.

"The wholesale market will not serve individual residents after its reopening and will only serve the wholesale buyers," Zhou said.

Both the buyers and sellers need to register before they trade in the market. All the sellers and buyers have to make a reservation, providing information including vehicle license plates, trading area, time and gates of their entry routes.