Core Viewpoint - The Shantou South to Shantou section of the Shantou-Shantou High-Speed Railway has officially entered the joint debugging and testing phase, marking a significant step towards its opening [1] Group 1: Project Development - The joint debugging and testing will be followed by trial operations, bringing the entire line closer to operational status [1] - Two comprehensive testing trains are being used for various tests, including track geometry, contact network, communication, signal, and aerodynamic tests [1] - Simulated tests for signal scenarios and earthquake warning scenarios are being conducted using operational trains to ensure all systems meet operational conditions [1] Group 2: Strategic Importance - The Shantou-Shantou High-Speed Railway is a crucial part of the national "eight vertical and eight horizontal" high-speed rail network along the coastal corridor [1] - Once fully operational, it will enable a "half-hour commuting circle" for central cities in the Shantou-Chaozhou-Jieyang area and a "one-hour transportation circle" for the eastern Guangdong region [1] - This development will facilitate the integration of the eastern Guangdong region into the Guangdong-Hong Kong-Macao Greater Bay Area [1]

Group 1 - Guangdong province has achieved significant breakthroughs in major projects ahead of the National Day, showcasing accelerated construction progress [1] - The main structure of the Guangzhou Baiyun Station TOD comprehensive transportation hub has been completed, which will integrate business, residential, hotel, commercial, and entertainment functions, serving as a key driver for regional economic development [1] - The Guangzhan High-speed Railway's main station and secondary structures have been completed, with the project entering the decoration and construction phase for the platform and waiting hall [1] Group 2 - The Shantou South to Shantou section of the Shantou-Shantou High-speed Railway has officially entered the track laying phase, aiming to be operational by the end of the year, increasing daily train capacity from 24 to over 50 pairs [2] - The Changshen Expressway expansion project has completed the main bridge structure, transitioning to the final construction phase, which will enhance connectivity between the Guangdong-Hong Kong-Macao Greater Bay Area and central regions [2] Group 3 - The first phase of the Greater Bay Area University (Binhaiwan Campus) has successfully topped out, marking significant progress in higher education infrastructure in the region, with a total construction area of approximately 67,000 square meters [3] - The campus aims to fill the gap in high-level engineering education resources in the area and promote deep collaboration between education, talent, and industry chains [3]

Group 1 - The construction of the main structure of the Foshan Station for the Guangzhan High-speed Railway has been completed, with the project now entering the decoration and renovation phase [1] - The Guangzhan High-speed Railway is in the final stages of preparation for operation, significantly reducing travel time from Guangzhou to Zhanjiang to 1.5 hours upon completion by the end of this year [1] - The Shantou South to Shantou section of the Shanshan High-speed Railway has officially entered the track-laying phase, aiming to enhance transportation capacity from an average of 24 pairs of trains per day to over 50 pairs [2] Group 2 - The Changshen Expressway expansion project has completed the main bridge construction, transitioning to the final stages of road surface and ancillary works, with a total length of approximately 116.6 kilometers [2] - The expansion project is a key initiative under Guangdong's 14th Five-Year Plan, aimed at strengthening connections between the Guangdong-Hong Kong-Macao Greater Bay Area and central regions like Jiangxi [2] - The first phase of the Bay Area University (Binhaiwan Campus) has successfully topped out, marking significant progress in higher education infrastructure in the Greater Bay Area [3] Group 3 - The Bay Area University project will cover an area of approximately 67,000 square meters, addressing the shortage of high-level engineering education resources in the region [3] - The Guangzhou Baiyun Station's TOD integrated transport hub has completed the construction of four towers, which will serve as a key driver for regional economic development [3]

Core Points - The Shantou-Shantou High-Speed Railway has officially entered the track-laying construction phase, with a solid foundation laid for meeting operational conditions by the end of the year [1] - The total length of the railway is 162.368 kilometers, with a design speed of 350 kilometers per hour, and the section from Shantou South to Shantou is 19.8 kilometers long, including a 9.7-kilometer underwater tunnel [1] - The underwater tunnel is a key engineering project with a maximum gradient of 29‰, and the construction team is actively coordinating resources to ensure timely completion [1] - Once fully operational, the railway's transport capacity will increase from an average of 24 pairs of trains per day to over 50 pairs, enhancing passenger capacity between major economic regions [1] Industry Impact - The Shantou-Shantou High-Speed Railway will connect with the under-construction Zhang-Shan High-Speed Railway, further improving north-south passenger transport capabilities in the Pearl River Delta, Haixi, and Yangtze River Delta regions [1] - This development will provide a significant transportation corridor for cities like Shantou to integrate into the Greater Bay Area and connect with the East China region [1]

Core Points - The completion of the ballastless track construction for the Shantou Bay underwater tunnel marks a significant milestone for the Shantou-Shenzhen High-Speed Railway, which is part of China's "Eight Vertical and Eight Horizontal" coastal high-speed rail network [1] - The Shantou-Shenzhen High-Speed Railway is a key project in Guangdong Province and will connect with the under-construction Zhangshan High-Speed Railway, enhancing the north-south rapid passenger transport corridor between the Pearl River Delta and the Yangtze River Delta [1] - The project is expected to promote the integration of cities along the route into the Guangdong-Hong Kong-Macao Greater Bay Area and strengthen connections with the East China region [1]

Group 1 - Multiple major engineering projects in China are accelerating, contributing to high-quality development [3] - The Xingtong 200,000 kW wind power project in Inner Mongolia has achieved full-capacity grid connection, generating 560 million kWh of clean energy annually, enough to power approximately 670,000 people for a year [6] - The Shantou Bay underwater tunnel of the Shanshan High-speed Railway has successfully completed its construction, with a total length of 9,781 meters, significantly increasing train capacity from 24 pairs to over 50 pairs daily [8] Group 2 - The "Jiaolong" manned submersible has completed its first sea trial after technical upgrades, achieving a record number of descents with four descents in one day, validating key technical performance indicators [10] - The domestically developed shield machine "Cangyuan" has been launched in Jiangsu, set to undertake the underwater shield tunnel project of the longest highway, with a diameter of 16.66 meters and a domestic technology localization rate exceeding 98% [12] - The Haitaichangjiang Tunnel will effectively alleviate traffic on the Sutong Yangtze River Bridge, playing a significant role in the integrated development of the Yangtze River Delta region and the national strategy for the Yangtze River Economic Belt [13]