Group 1 - The core point of the article is that China Tower Corporation has applied for a patent for a "DC power distribution system and method for communication base stations," indicating its focus on advancing communication technology [1] Group 2 - The patent application number is CN121643263A, with an application date of November 2025 [1] - The invention pertains to the field of communication equipment technology, specifically a DC power distribution system that includes at least one intelligent control module mounted on a fixed rail [1] - The intelligent control module connects to the negative terminal of a DC bus from a switch power supply and to the input terminal of communication equipment, featuring a protection unit, a metering unit, and a control unit [1] - The control unit allows for remote control of the protection unit, enabling differentiated, refined, and intelligent management of each branch [1] Group 3 - China Tower Corporation was established in 2014 and is based in Beijing, primarily engaged in civil engineering construction [1] - The company has a registered capital of 1,760,084,710.2 RMB [1] - According to data from Tianyancha, the company has invested in four enterprises, participated in 99,778 bidding projects, and holds 185 trademark records and 1,189 patent records, along with 77 administrative licenses [1]