Group 1 - The State Intellectual Property Office has granted a patent titled "A Security Management Method Based on Load Balancing" to several companies including Huaneng Zhongdian Weihai Wind Power Co., Ltd. and Huaneng Information Technology Co., Ltd. [1] - Huaneng Zhongdian Weihai Wind Power Co., Ltd. was established in 2005, has a registered capital of 253.24 million RMB, and has participated in 797 bidding projects with 35 patents [1]. - Huaneng Information Technology Co., Ltd. was founded in 2014, has a registered capital of 80 million RMB, and has participated in 2,337 bidding projects with 539 patents [1]. Group 2 - Huaneng Shandong Power Generation Co., Ltd. was established in 2008, has a registered capital of 424.146 million RMB, and has participated in 3,525 bidding projects with 784 patents [2]. - Zhengzhou Xinda Cloud Valley Technology Co., Ltd. was founded in 2017, has a registered capital of 11 million RMB, and has participated in 10 bidding projects with 46 patents [2].