This time, an experiment on shipping crisp plums without ice or cold chain in controlled atmosphere fresh-keeping boxes was conducted in Wushan, Chongqing. They were shipped to Yantai, Shandong by SF Express. After receipt, the goods were kept at room temperature until 72 hours before being unpacked.

Unpacking phenomenon after 72 hours: some fruits were mechanically damaged, but no fruits were rotten or moldy. The fruits were bright in color, crisp and sweet in taste, and had no peculiar smell.