The fourth batch of bidding for the self purchased materials and equipment of the "four electricity" system integration and related engineering of the new Chongqing Kunming high-speed railway (bidding number: YKYG-202401-ZB08) 1. Bidding conditions: The fourth batch of bidding for the self purchased materials and equipment of the "four electricity" system integration and related engineering of the new Chongqing Kunming high-speed railway has been approved by the project approval/approval/filing authority, and the project funds are self raised. The bidder is the Yunnan Guizhou section of the four electricity system integration project branch of China Railway Signal&Communication Corporation Limited. This project has met the bidding conditions and is now open for bidding. 2. Project Overview and Bidding Content 2.1 Scale: The YKYGSD-1 section of the Yungui section of the Chongqing Kunming high-speed railway runs from the Sichuan Yunnan provincial border to Songming Station (excluding), with a design mileage of DK293+981.01~DK675+509.9. The total length of the main line is 353.081km, with a total of 7 stations including Yanjin South, Yiliang North, Zhaotong East, Yiche, Huize, Tianba, and Xundian. China Railway Signal&Communication Co., Ltd. is responsible for the construction of communication specialties for sections DK293+981.01-DK550+300, signal specialties for sections DK293+981.01-DK552+985, and information specialties for sections DK293+981.01-DK675+509.9. The communication and signal specialties include 5 stations (Yanjin South, Yiliang North, Zhaotong East, Yiche, Huize), 13 relay stations (relay 10 (excluding indoor) - relay 23), 5 wireless base stations, 140 wireless repeater stations, and 17 power station pavilions. The newly-built Chongqing Kunming high-speed railway Yungui (proxy construction section) Songming to Kunming South (excluding) section will pass through Songming County, Airport District, Economic Development Zone, and Chenggong District in Yunnan Province, and then connect to Kunming Hub Kunming South Station and Chongqing Kunming Yard; Along the line, there are Songming Chongqing Kunming Railway Station (co located with Songming Station on the Shanghai Kunming High speed Railway) and Changshui Airport Intermediate Station (newly established site); The line runs parallel to the existing Shanghai Kunming high-speed railway after Songming Station, crossing the Chongqing Kunming Expressway, Hangzhou Ruizhou Expressway, national highways, and provincial highways multiple times. New Kunming high-speed train operation station and related projects. The project consists of the main line from Songming Station to Kunming South (excluding), the up and down connecting lines from Songming Station to Changkun Songming Station on this line, and the up and down connecting lines from this line to Luoyang Town. There are 13 main line bridges covering 20.650 kilometers (excluding 5 single line bridges covering 5.759 kilometers) and 9 main line tunnels covering 24.636 kilometers, with a main line bridge tunnel ratio of 83.6%; The newly-built Chongqing Kunming high-speed railway construction section includes Songming Station, Changshui Airport Station, and Tuomoshan Line Station. The renovated parts include Songming Hukun Station, Xiaotuanshan Line Station, Kunming Nanyu Kunming Kunyu Station, Kunming Station, and Economic Development Connection Line. 2.2 Scope: 2.2.1 This bidding project is divided into a section, and this bidding includes: refer to Section 7.3 of this chapter's "Bidding Announcement" for the fourth batch of bidding packages and special qualification requirements for the "Four Electricity" system integration and related engineering self purchased materials and equipment for the new Chongqing Kunming high-speed railway. 3. Qualification requirements for bidders for the fourth batch of bidding for the integration of the "four electricity" system and related engineering self purchased materials and equipment for the new Chongqing Kunming high-speed railway: 3.1 General qualification requirements for bidders 3.1