Group 1 - The core point of the article is that Hangzhou Shanke Intelligent Technology Co., Ltd. has obtained a patent for a multi-channel switching method for smart water meter communication, with the patent number CN 120358541 B and an application date of June 2025 [1] - Hangzhou Shanke Intelligent Technology Co., Ltd. was established in 1999 and is located in Hangzhou, primarily engaged in the manufacturing of instruments and meters [1] - The company has a registered capital of 1,402.19804 million RMB and has invested in 18 enterprises, participated in 1,420 bidding projects, and holds 4 trademark registrations and 113 patents [1] - Additionally, the company possesses 78 administrative licenses [1]