Title of invention: A sealed and moisture-proof package and process that enables free exchange of internal gases
Inventors: Shi Lei; Chen Xiongquan; Chen Xiaorong; Dai Weijian
Patent No:ZL 2021 1 1574998.2
Patent application date: December 22, 2021
Patentee: Hangzhou Sunstone Technology Co.,Ltd.
Address: 2nd Floor, Building 1, No. 460, Fucheng Road, Qiantang New District, Hangzhou, Zhejiang, 310018
Authorization announcement date: August 25, 2023
Authorization announcement number: CN 114194576 B
