Group 1 - The State Intellectual Property Office of China has granted a patent for a method, device, terminal, and medium for monitoring the quality of electricity in new energy grid connections to three companies: Nanjing Caneng Power Automation Co., Ltd., Nanjing Youyou Software Technology Co., Ltd., and Nanjing Zhiyou Electric Power Testing Co., Ltd. The patent announcement number is CN119134677B, with an application date of November 2024 [1][2][3] Group 2 - Nanjing Caneng Power Automation Co., Ltd. was established in 2010 and is primarily engaged in the manufacturing of instruments and meters. The company has a registered capital of 90.109276 million RMB and has participated in 664 bidding projects, holds 45 patents, and has 9 trademark registrations [1] - Nanjing Youyou Software Technology Co., Ltd. was founded in 2017 and focuses on software and information technology services. The company has a registered capital of 5 million RMB and holds 7 patents [1] - Nanjing Zhiyou Electric Power Testing Co., Ltd. was established in 2018 and specializes in professional technical services. The company has a registered capital of 5 million RMB and has participated in 100 bidding projects, holding 1 patent [2]