SIFANG(SH:601126) Sou Hu Cai Jing·2026-02-17 08:42Group 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 method and system of off-grid distributed droop control for converters adapting to unbalanced loads, with the patent announcement number CN116031917B and application date in December 2022 [1] - Beijing Sifang Automation Co., Ltd. was established in 1994 and is primarily engaged in the manufacturing of computers, communications, and other electronic devices, with a registered capital of 833.436 million RMB. The company has invested in 23 enterprises, participated in 5,000 bidding projects, holds 41 trademark registrations, and has 1,791 patents along with 41 administrative licenses [1] - Beijing Sifang Engineering Technology Co., Ltd. was founded in 2003 and focuses on the manufacturing of electrical machinery and equipment, with a registered capital of 1.05 billion RMB. The company has invested in 5 enterprises, participated in 5,000 bidding projects, holds 917 patents, and has 13 administrative licenses [1]