Group 1 - The State Intellectual Property Office of China has granted a patent to Zhejiang Dahua Technology Co., Ltd. for a method, device, terminal, and storage medium for delayed transmission of audio data, with the authorization announcement number CN 114974251 B and application date of April 2022 [1] - Zhejiang Dahua Technology Co., Ltd. was established in 2001 and is located in Hangzhou, primarily engaged in software and information technology services [1] - The company has a registered capital of 3,274.039542 million RMB and has made investments in 71 enterprises, participated in 5,000 bidding projects, and holds 310 trademark records and 5,000 patent records, along with 406 administrative licenses [1]