KEHUA HENGSHENG(SZ:002335) Sou Hu Cai Jing·2026-01-13 06:00Group 1 - The State Intellectual Property Office of China has granted a patent titled "Bidirectional Rail Traction System and Its Short-Circuit Control Method" to Zhangzhou Kehua Electric Technology Co., Ltd. and Kehua Data Co., Ltd. The patent authorization announcement number is CN120680942B, with an application date of August 2025 [1] - Zhangzhou Kehua Electric Technology Co., Ltd. was established in 2021 and is primarily engaged in research and experimental development. The company has a registered capital of 110.49 million RMB and has participated in 11 bidding projects, holds 387 patent records, and possesses 5 administrative licenses [1] - Kehua Data Co., Ltd. was founded in 1999 and focuses on the manufacturing of electrical machinery and equipment. The company has a registered capital of 515.41 million RMB, has invested in 47 enterprises, participated in 3,868 bidding projects, holds 130 trademark records, 1,400 patent records, and possesses 36 administrative licenses [1]