Core Insights - The Shenzhen Metro Line 25 Phase I project has officially commenced the assembly of prefabricated components at Longhua Park Station, marking it as the first fully prefabricated rectangular metro station in the country, which will provide significant insights for industrialized construction in the metro sector [1][2] Group 1: Project Overview - The Line 25 Phase I project is a key component of Shenzhen's fifth-phase metro planning, stretching 16.5 kilometers with 14 stations, including 5 transfer stations and one vehicle depot [1] - Longhua Park Station is located at the intersection of Longguan Avenue and Longhua People's Road, featuring a two-level underground island station design with a total length of approximately 211 meters [1] Group 2: Construction Innovation - The project employs a rectangular fully prefabricated structural system, with major components such as the base slab, side walls, and roof being precisely prefabricated in a factory, with the heaviest component weighing up to 114 tons [1][2] - Advanced construction techniques include the use of a 180-ton gantry crane for high-precision lifting and an auxiliary cart for efficient assembly, resembling a "building block" approach [1] Group 3: Challenges and Solutions - The construction site faces significant challenges due to dense surrounding buildings, complex pipelines, and limited space [2] - To address these challenges, the company has implemented a millimeter-level precision control system for the gantry crane, along with intelligent positioning systems and hydraulic leveling devices to ensure high-precision placement of components [2] Group 4: Urban Impact - Upon completion, Line 25 Phase I will enhance connectivity with urban spatial structures and service core urban areas, supporting the development of key districts and improving transportation links for areas previously lacking rail access [2] - The project will also facilitate coordination with existing metro lines, maximizing network efficiency across the region [2]