Yes. Gansu Dajingma Technology Co., Ltd. filed a patent application for intelligent power exchange cabinet for lithium batteries of electric vehicles on July 14, 2022. It is located in Group 8, Hexi Village, Shuangcheng Town, Liangzhou District, City from Wuwei, Gansu province. . There is a power exchange cabinet. Gansu Dajingma Technology Co., Ltd. is mainly engaged in technical services, technology development, technical consulting, technical exchanges, etc.
The best quality electric vehicle batteries (within the industry) are classified as follows:
1) Panasonic Battery (Foreign-Owned Panasonic)
2) Yidian battery (Hong Kong afirstpower) 3) Haibao battery (Shanghai)
4) Tianneng battery (Zhejiang)
5) Ningbao battery (Yinchuan)
6) Wuwei Battery (Gansu)
7) Aojiang Battery (Guangdong)
8) Jiawei Battery (Shandong)
9) Changsheng Battery (Zhejiang)
10) Chaowei Battery (Zhejiang)
Among the high-quality internalized batteries are Panasonic batteries, Haibao batteries and Yidian batteries. The rest are ordinary external chemical batteries.
Here is a reference for you, I hope it will be useful