Retail & Household
| Sun 29 Mar 2026
Beijing, March 30 -- Nantong University has submitted a patent application for Fresh-keeping Packaging Device of Cold Fresh Tray. Cheng Haizheng, Zhang Chi, Xie Zhanshan, Zhang Yue, Zhou Jingling, Wan Xiaofeng, Qian Shuangqing and Song Chenguang developed the invention.
The patent application number is CN202511130923 20250813. ..