Quotation Comparison Document for the Repair of the Differential Gear of Centrifuge No. 1

1. Price Comparison Conditions
This quotation pertains to the repair of the differential gear for Centrifuge No. 1 at Chongqing Xiangyu Salt Chemical Joint Alkali Plant. The price comparison has been approved by Chongqing Xiangyu Salt Chemical Co., Ltd., with Chongqing Xiangyu Salt Chemical Co., Ltd. serving as the project owner. The project now meets the conditions for price comparison, and we hereby invite quotations for this item.
2. Project Overview and Scope of Price Comparison
2.1 Project Location: Within the premises of Chongqing Xiangyu Salt Chemical Co., Ltd.
2.2 Project Scope: Maintenance of the differential gear for Centrifuge No. 1 at Chongqing Xiangyu Salt Chemical Co., Ltd.’s plant site; model and specifications: see Technical Requirements. Technical Requirements: see Technical Requirements. Quantity: 1 unit.
2.3 Construction Period: To be completed in accordance with Party A’s requirements.
2.4 Project Scope: Repair of the differential gear for Centrifuge No. 1 at Chongqing Xiangyu Salt Chemical Co., Ltd.’s plant site; model and specifications: see Technical Requirements. Technical Requirements: see Technical Requirements. Quantity: 1 unit.
3. Bidder Qualification Requirements
3.1 Qualification Requirements for the Principal Party
3.1.1 Bidders must be equipment manufacturers duly registered within the People’s Republic of China, possessing independent legal personality and the capacity to independently assume civil liability. Their business licenses must be valid and compliant, with all three certificates integrated into a single document. Consortiums, agents, traders, and entities operating under another’s name are not permitted to submit bids.
3.1.2 Two or more legal entities with the same legal representative, as well as a parent company and its wholly owned or controlling subsidiary, shall not simultaneously participate in the bidding for this project; any such instances will result in the disqualification of all bids.
3.2 Requirements for Production and Supply Capacity
3.2.1 The repair vendor shall possess the requisite business and manufacturing qualifications for centrifuges of the same type (traders and consortia will not be accepted).
3.2.2 Possesses a comprehensive quality management system capable of independently overseeing the entire process, from incoming inspection of equipment and raw materials to in-process quality control and final factory‑level performance testing, thereby ensuring product quality, timely delivery, and reliable after-sales service compliance.
3.3 Qualification Certificate Requirements
3.3.1 The supplier is required to provide the following valid certification certificates and performance documentation:
① Business license;
Mechanical Equipment Manufacturing Qualification Certificate
②GB/T 19001-2016/ISO 9001:2015 Standard – Quality Management System Certification Certificate.

3.4 Performance Requirements
3.4.1 Within the past three years (calculated backward from the bid submission deadline), the bidder shall provide documented evidence of successful installation and operation of three or more units of the same model of screw‑discharge filter centrifuges at soda ash plants with a capacity of 600,000 tonnes per year or greater. Such documentation shall include copies or scanned images of relevant contracts, stamped with the supplier’s official seal, along with contact information for the end‑user, including name and telephone number.
3.4.2 The tender document shall include complete supporting documentation of past performance, comprising the award notice (if available), formal supply contracts, and certificates of completion and acceptance or evidence of satisfactory operational performance by the end user (if available). Such documents must clearly indicate the project name, equipment specifications, quantity supplied, commissioning date, and the owner’s contact information. Incomplete or insufficient documentation will render the claimed performance invalid.
3.5 Credit and Compliance Requirements
3.5.1 The bidder shall have no record of major quality incidents, major safety accidents, or significant breaches of contract in the past three years, nor any pending judicial proceedings, and shall not have engaged in illegal or unethical practices such as bid-rigging, collusive bidding, falsification, or malicious complaints.
3.5.2 The bidder shall not be listed on the “Credit China” blacklist of persons subject to enforcement, entities with serious tax-related violations and dishonesty, or entities with records of serious violations in government procurement; nor shall the bidder be included in the National Enterprise Credit Information Publicity System’s list of enterprises with serious violations and dishonesty, or be placed on the supplier blacklists of major petrochemical and chemical companies.
3.5.3 The tender document shall include a screenshot of the credit inquiry and a compliance commitment letter, certifying that all tender materials are true, lawful, and valid. In the event of falsification, false performance records, or forged qualifications, the bid shall be unconditionally disqualified, and the bidder shall bear the corresponding legal liabilities.
3.6 Qualification Review Instructions
3.6.1 All qualifications, certificates, performance records, and financial documents must be genuine, valid, and within their respective validity periods. Any expired, forged, altered, or improperly used qualifications shall be deemed invalid and result in disqualification.
3.6.2 The tenderer reserves the right to conduct on-site verification of bidders’ qualifications, performance records, factory production capacity, and equipment quality. Bids that fail such verification shall be deemed invalid, and the bidder’s eligibility for award shall be revoked.
4. This procurement sets both a unit price ceiling and a total price ceiling (total price ceiling: RMB 822,547.90). Any quotation exceeding either the unit price ceiling or the total price ceiling shall be deemed invalid.
5. Quotation Deadline
Deadline: November 3, 2026, 9:30 a.m. (Beijing Time)
6. Contact Information
Price Comparator: Chongqing Xiangyu Salt Chemical Co., Ltd.
Address: No. 98, Longxiang Avenue, Wanzhou District, Chongqing City

Disclaimer: The official platform for publishing this tender information is the official website of Chongqing Xiangyu Salt Chemical Co., Ltd. at http://www.cqxyyh.com. Except for this channel, our company has not published any tender information on any other websites, forums, or platforms. Any tender notices reproduced on other media that cite our company as the tendering entity are unauthorized reprints and are invalid; we reserve the right to pursue legal action.