Bidding Announcement for the Procurement of Skid Installation Equipment for the Tongchuan Baishui Tongguan Gas Pipeline Project of Shaanxi Natural Gas Co., Ltd. (Bidding No. DYZB2025-3-H054) Project Location: Shaanxi Province 1. Bidding Conditions: The procurement of Skid Installation Equipment for the Tongchuan Baishui Tongguan Gas Pipeline Project of Shaanxi Natural Gas Co., Ltd. has been approved by the project approval/certification/filing authority, and the project funds are self raised by the enterprise, with a contribution ratio of 100%. The bidder is Shaanxi Natural Gas Co., Ltd. This project has met the bidding conditions, and the current bidding method is open bidding. 2、 Scope of Bidding and Section Division: Procurement of Skid Installation Equipment for the Tongchuan Baishui Tongguan Gas Pipeline Project of Shaanxi Provincial Natural Gas Co., Ltd., mainly including station control systems, network security equipment and other professional equipment and materials. The specific procurement list is detailed in Chapter 5 of the bidding documents. Section division: This project is divided into three sections. Section one is for the installation of pressure regulating and metering equipment at Baishui and Pucheng gas distribution stations. Section two is for the installation of pressure regulating and metering equipment at Dali and Tongguan gas distribution stations. Section three is for the installation of electric heating and self use gas. 3、 Qualification requirements for bidders: 1. The bidder shall be a legally registered domestic legal person or other organization with the ability to undertake the bidding project. For bidding by legal persons or other organizations, provide a valid business license or certificate of legal person for public institutions; For branch bidding, provide a valid branch business license, as well as a valid head office business license and authorization letter from the head office for this project. 2. Provide a valid account opening permit (or basic account proof materials). 3. Having the qualification of a general taxpayer, provide valid proof materials such as a general taxpayer qualification certificate issued by the tax authority, a recently issued value-added tax special invoice, or a screenshot of the general taxpayer query record on the official website of the tax authority. 4. The bidder has a special equipment production license (for pressure vessel D-level and above manufacturing) and a special equipment production license (for pressure pipeline component manufacturing); The pressure control system has and provides a TSG pressure pipeline component manufacturing license (combination device) certificate that complies with the product scope. 5. The bidder of the first section shall provide a type approval certificate for the turbine flowmeter measuring instrument (accuracy level 0.5). The bidder of the second section shall provide a type approval certificate for ultrasonic flowmeter measuring instruments (accuracy level 0.5). 6. The first section shall provide the bidder with at least one supply performance of the same type of product [pressure regulating pry (including pressure regulating valve (or regulator)+electric regulating valve+safety shut-off valve) or metering pry (including turbine flowmeter+flow computer)] in China from January 1, 2022 to present (based on the date of contract signing), and the single contract amount shall not be less than 2 million yuan (provide a copy of the contract and at least one page of corresponding value-added tax special invoice, the invoice date must be 30 days before the date of bidding announcement, and provide a screenshot of the national value-added tax inspection platform of the State Administration of Taxation). (Note: If the contract cannot prove that "the pressure regulating pry includes a pressure regulating valve (or regulator)+electric regulating valve+safety shut-off valve" or "the metering pry includes a turbine flowmeter+flow computer", then provide proof materials that can prove the above matters, such as technical agreements or