Bidding Overview: Project Name: Changshui Airport to Shuanglong Expressway Cross Railway Project Construction Total Price Contracting Source of Funds: State owned Assets 13.2% Self raised 16.8% Loans 70.0% Foreign Investment% Construction Scale: 92.651137 million yuan Public Resource Trading Industry Classification: Railway Engineering Type: Construction Bidding Method: Public Bidding Qualification Review Method: Post qualification Review Bidding Documents/Pre qualification Documents Acquisition Method: Online Acquisition Trading Location: Yunnan Provincial Public Resource Trading Center Announcement Nature: Normal Announcement Whether to Publish to the Public: Yes Announcement Release Start Time: April 22, 2025 17:00 Supervision Department and Contact Information: China Railway Kunming Group Co., Ltd. Engineering Bidding Supervision and Management Office 0871-66123127 Remarks: 1. For those who intend to participate in bidding, please publish it on the Yunnan Provincial Public Resource Trading System. The time, Log in to Yunnan Province Public Resource Trading Information Network (website: https://ggzy.yn.gov.cn/homePage#/homePage ）Obtain bidding documents and other bidding materials (including electronic technical bidding documents in the format of *. BZBJ) online with the enterprise digital certificate (CA). Enterprises that have not yet obtained a Corporate Digital Certificate (CA) need to follow the requirements of Yunnan Province's Public Resource Trading Electronic Authentication to obtain an Enterprise Digital Certificate (CA), and after completing registration on the Yunnan Province Public Resource Trading Information Network, they can obtain the bidding documents. This is the only way to obtain the bidding documents. The bidding documents do not charge any fees. 2. Other requirements: For the detailed process of handling digital certificates (CA), please refer to the "Yunnan CA Digital Certificate Handling Process (Provincial Level)" on the Yunnan Provincial Public Resource Trading Electronic Service System website. The technical support service hotline for the trading platform is 010-86483801; Online service QQ: 40096189985. Bidder and Bidding Agency Construction Unit: Yunnan Railway Engineering Project Management Co., Ltd. Agent: You Mingzhi Office Phone: 0871-66124560 Mobile Phone: 13759575343 Detailed Announcement Content Section Number: GC530000202500119001001 Section Name: Changshui Airport to Shuanglong Expressway Overpass Railway Construction Total Price Contracting Bidding Document Acquisition Deadline: 2025-04-2717:00 Submission of Bidding Documents Deadline: 2025-05-1409:00 Bid Opening Location: No. 8 Online Bid Opening Room on the Second Floor (Bidders are not present on site) Bid Opening Method: Online Intelligent Bid Opening Section Contract Estimated Price: 926511370 yuan This bidding content: Changshui Airport to Shuanglong Expressway Overpass Railway Construction Drawing Institute Includes content (excluding pavement engineering, traffic safety engineering, bridge deck waterproof layer). Specific location and surrounding environment of the project site: Kunming City, Yunnan Province. Planned construction period (calendar days): 330. Will consortium bidding be accepted? No Qualification requirements: Bidders must have a first level or above qualification for general contracting of highway engineering construction. Proposed project manager. Minimum qualification level: First level. Proposed project manager. Specialty: Highway engineering. First level registered constructor. Project leader