1. The bidding conditions for the construction supervision of the section of National Highway 569 from Mandela to Datong Road from Xiaosha River (Ganqing border) to Ningzao Yakou have been approved by the Development and Reform Commission of Qinghai Province with the approval of Qingfa Gai Ji [2013] No. 1868, and the design has been approved by the Department of Transportation of Qinghai Province with the approval of Qingjiao [2023] No. 96. The project owner is Qinghai Provincial Transportation Construction Management Co., Ltd. The construction funds are self raised, with a proportion of state-owned funds of 100.0%, private funds of 0.0%, foreign government and organization investment of 0.0%, and overseas private investment of 0.0%. The bidder is Qinghai Provincial Transportation Construction Management Co., Ltd., and the bidding agency is Qinghai Luda Transportation Construction Tendering Co., Ltd. The project has met the bidding conditions and is now open for bidding for the construction supervision of the project. 2. Project Overview and Bidding Scope 2.1 Project Overview 2.1.1 Construction Location: Within Qinghai Province and Gansu Province 2.1.2 Project Construction Scale. The total length of the route is 34.682km, with 18 bridges of 13.030km and 6 tunnels of 13.4345km. The whole line is a two-way four lane first-class highway, with a design speed of 80km/h, an integral subgrade width of 25.5m and a separate subgrade width of 12.75m. Main control points: starting point Xiaosha River, Qingyang Sancha, Majitai, and ending point Ningdao Pass. 2.2 Bidding Scope and Section Division 2.2.1 Section Number: 2.2.2 Section Name: XN-JL1、XN-JL2。 2.2.3 Scope of bidding for section: XN-JL1: Construction supervision tasks for all engineering contents included in the construction drawing design and bill of quantities for the roadbed, pavement, bridges, tunnels, culverts, passages, traffic safety, greening, etc. within the scope of section XN-SG1. XN-JL2 section: Construction supervision tasks for all engineering contents included in the construction drawing design and bill of quantities for the roadbed, pavement, bridges, tunnels, culverts, traffic safety, greening, as well as the entire line of building construction and mechanical and electrical engineering within the scope of XN-SG2 section. 2.2.4 Supervision service period: 2190 days 2.2.5 Type of identity required for bidding: Supervision unit 3. Qualification requirements for bidders 3.1 This bidding requires bidders to possess XN-JL1: Bidders must possess Class A highway engineering construction supervision, XN-JL2： Bidders must possess Class A qualifications for construction supervision of highway engineering, special supervision qualifications for mechanical and electrical engineering of highway engineering, and Class C or above qualifications for building construction engineering, and their performance must meet the requirements; Appendix 2” Require and possess corresponding abilities in personnel, equipment, funds, and other aspects. Bidders should enter the Ministry of Transport; National Highway Construction Market Supervision and Management System（ https://hwdms.mot.gov.cn/BMWebSi