Your cells, made on automated production lines
We supply cylindrical lithium cells under our own / OEM brand, produced on automated cylindrical-cell production lines. The figures and certifications below belong to our manufacturing partner.
Our cells are produced by JOINSUN (Zigong Jixin Technology Co., Ltd.), an automated cylindrical-cell factory in Zigong, Sichuan, China — 27+ automated production lines and a design capacity of about 2 GWh per year.
- 2022
Founded in Zigong, Sichuan (registered capital ¥60M); plant opened the same November.
- 2023
R&D center established; 5000mAh 21700 reached mass production; products passed CCC, CB and other certifications.
- 2024
Design capacity reached 2 GWh/year; long-term partnership with Sail Battery (state-owned, listed); named a Sichuan Provincial Innovative Enterprise.



Production capability of our manufacturing partner.