Group 1 - Shenzhen Weimaisi New Energy (Group) Co., Ltd. has obtained a patent for "A Fast Charging Circuit and Control Method for Electric Vehicles," with authorization announcement number CN112319251B, and the application date is December 2020 [1] - The company was established in 2005 and is located in Shenzhen, primarily engaged in the manufacturing of computers, communications, and other electronic devices [1] - The registered capital of Shenzhen Weimaisi New Energy (Group) Co., Ltd. is 4,209.57142 million RMB [1] Group 2 - According to data analysis from Tianyancha, the company has invested in 9 enterprises and participated in 18 bidding projects [1] - The company holds 6 trademark information and 542 patent information, along with 71 administrative licenses [1]