Group 1 - The State Intellectual Property Office of China has granted a patent to Beijing Sifang Automation Co., Ltd. and Beijing Sifang Engineering Technology Co., Ltd. for a "high-voltage cascade energy storage system module fault bypass control method and device," with the authorization announcement number CN115513935B and application date of August 2022 [1] - Beijing Sifang Automation Co., Ltd. was established in 1994 and is located in Beijing, primarily engaged in the manufacturing of computers, communications, and other electronic devices. The company has a registered capital of 833.436 million RMB and has invested in 23 companies, participated in 5,000 bidding projects, holds 41 trademark registrations, and has 1,794 patents [1] - Beijing Sifang Engineering Technology Co., Ltd. was founded in 2003, also located in Beijing, and focuses on the manufacturing of electrical machinery and equipment. The company has a registered capital of 1.05 billion RMB, has invested in 5 companies, participated in 5,000 bidding projects, holds 921 patents, and has 13 administrative licenses [1]