Group 1 - The State Intellectual Property Office of China has granted a patent to Zhuhai Gree Electric Appliances Co., Ltd. and Zhuhai Lianyun Technology Co., Ltd. for a method, device, and system for detecting defects in edge board perforations, with the patent announcement number CN118937341B and application date of September 2024 [1] - Zhuhai Gree Electric Appliances Co., Ltd. was established in 1989, located in Zhuhai City, primarily engaged in the manufacturing of electrical machinery and equipment, with a registered capital of 6,015.73 million RMB [1] - Zhuhai Gree Electric Appliances Co., Ltd. has invested in 98 companies, participated in 5,000 bidding projects, and holds 5,000 trademark and patent information records, along with 923 administrative licenses [1] - Zhuhai Lianyun Technology Co., Ltd. was established in 2018, also located in Zhuhai City, primarily engaged in software and information technology services, with a registered capital of 50 million RMB [1] - Zhuhai Lianyun Technology Co., Ltd. has participated in 9 bidding projects and holds 4,640 patent information records, along with 14 administrative licenses [1]