Group 1 - Jiangsu Yifei Laser Equipment Co., Ltd. and Wuhan Yifei Laser Co., Ltd. have applied for a patent titled "A Side Adhesive Device for Battery Cells" with publication number CN120364239A, filed on April 2025 [1] - The patent describes a device that includes a cabinet with two processing stations, each comprising a feeding mechanism, cutting mechanism, and transfer mechanism, designed to handle foam adhesive tape [1] - Jiangsu Yifei Laser Equipment Co., Ltd. was established in 2017, located in Zhenjiang, with a registered capital of 30 million RMB, and has participated in 4 bidding projects and holds 156 patents [1] Group 2 - Wuhan Yifei Laser Co., Ltd. was founded in 2005, located in Wuhan, with a registered capital of 95.162608 million RMB, and has invested in 11 companies and participated in 66 bidding projects [2] - The company holds 614 patents and has 26 trademark registrations, along with 11 administrative licenses [2]