Group 1 - The core viewpoint of the news is that China Energy Engineering Group Jiangsu Electric Power Design Institute Co., Ltd. has obtained a patent for a new type of overhead transmission line four-circuit branch tower, which aims to reduce investment costs and environmental impact while enhancing safety [1] Group 2 - The patent, authorized under announcement number CN223227159U, was applied for on July 2024 and pertains to the field of transmission and distribution technology [1] - The new design features a seven-layer cross arm structure, with the top layer serving as a ground wire cross arm and the six layers below functioning as conductor cross arms, allowing for a dual-circuit system with reduced land occupation [1] - The implementation of this four-circuit branch tower allows for the completion of dual-circuit systems using only one tower, thereby minimizing the footprint and width of the power corridor, which in turn lowers construction impact on the surrounding environment [1] Group 3 - China Energy Engineering Group Jiangsu Electric Power Design Institute Co., Ltd. was established in 1990 and is located in Nanjing, with a registered capital of 600 million RMB [2] - The company has invested in 23 enterprises and participated in 4,312 bidding projects, holding 957 patents and 2 trademark registrations, along with 99 administrative licenses [2]