Group 1 - Harbin Dong'an Automotive Power Co., Ltd. has applied for a patent for a "hybrid architecture multi-in-one integrated range extension power system" [1] - The patent application was filed on June 2025, and the publication number is CN120481597A [1] - The system features high integration, compact structure, and lightweight effects, aimed at enhancing automotive range extension technology [1] Group 2 - Harbin Dong'an Automotive Power Co., Ltd. was established in 1998 and is primarily engaged in the automotive manufacturing industry [2] - The company has a registered capital of 475.7839 million RMB [2] - The company has invested in 5 enterprises and participated in 2,257 bidding projects, holding 1,101 patents and 9 trademark registrations [2]