Bidding Document for the Maintenance of Self-Control Valve Frames at Chongqing Xiangyu Salt & Chemical Co., Ltd.

I. Scope of Application:
Maintenance of the control valve frame at Chongqing Xiangyu Salt & Chemical Co., Ltd.
Location: No. 98, Longxiang Avenue, Wanzhou District, Chongqing City
II. Qualifications and Requirements for Bidders:
1. Party B shall provide the following qualification documents when submitting its quotation.
(1) Business license, (Tax Registration Certificate), and Organization Code Certificate.
(2) Provide evidence of having performed maintenance on special valves for coal-water slurry gasification units (valves costing over 400,000 yuan each) in the past two years—more than three such instances—and having maintained more than five air separation oxygen valves.
(3) Provide a Class B (including Class B) or higher qualification for the manufacture of pressure pipeline valves.
(4) Ensure that within 24 hours of receiving the maintenance notification from Party A, professional maintenance technicians—sufficient in number to meet the repair requirements—will be dispatched to the site 365 days a year.
2. Party B’s repair quote, based on the “turnkey” principle (covering both materials and labor costs), includes shipping fees and is subject to a 13% value-added tax.
3. Warranty Period: 12 months under normal use (the warranty period for repairs will be recalculated).
3. Quotation deadline
Deadline: December 25, 2025, 10:00 (Beijing Time)
Proof of Legal Representative Identity and Power of Attorney
4. Quotation and Contact Information
Please scan and send the qualification and quotation documents, signed and stamped, to the email address: xiangyuyanhua@163.com.
Contact: Li Shufu
Phone: 15923857506
Address: No. 98, Longxiang Avenue, Wanzhou District, Chongqing City
Supervisor: Kang Jing 023-61002070 or 13340314091
IV: Selection Method:
The bidder with the lowest total price—calculated as the sum of unit prices for each model (see Attachment 1, Price List for Control Valves and Accessories Framework Repair Projects)—will be awarded the contract.

Disclaimer: The official channel for our company’s announcement of this tender is the website of Chongqing Xiangyu Salt & Chemical Co., Ltd.: http://www.cqxyyh.com. Apart from this, our company has not published any tender information on any other websites, forums, or media platforms. Any tender information reproduced from other sources and attributed to our company as the tendering entity is unauthorized and therefore invalid. We reserve the right to pursue legal action against such unauthorized reproductions.