Government Procurement Case and Bid-Winning Solution Analysis of the New Dongfeng Sewage Treatment Vehicle in Jingzhou In recent years, with the continuous tightening of environmental protection policies, municipal sanitation departments’ demand for sewage treatment equipment has grown steadily. For example, the Urban Management Bureau of a district in Jingzhou publicly tendered in 2025 for a batch of new Dongfeng sewage treatment vehicles, with a project budget of approximately RMB 395,000 (based on publicly available tender information), aiming to enhance emergency treatment capacity for river and domestic sewage within its jurisdiction. Ultimately, Chengli Special Purpose Vehicle Co., Ltd. successfully delivered three units, leveraging its comprehensive after-sales commitment and product configuration. This article provides an in-depth analysis of this case from perspectives including after-sales clause design in contracts, common dispute types, specific content of Chengli’s lifetime after-sales service, and FAQs—offering practical reference for future procurements. I. How to Draft After-Sales Clauses in Contracts: Key Design Elements in the Jingzhou Case In government procurement, after-sales clauses constitute a core component of contracts, directly impacting the operational cost over the equipment’s entire lifecycle. Taking the Jingzhou case as an example, the contract’s after-sales clauses mainly include the following key points: 1. Warranty Period and Response Time The contract explicitly stipulates that the chassis portion (Dongfeng chassis) is covered under the original manufacturer’s nationwide warranty, with a warranty period of no less than two years or 60,000 km (whichever occurs first), commencing from the date of successful acceptance. The superstructure portion (sewage treatment system) is covered by the manufacturer’s lifetime after-sales service, with an extended warranty period of three years. Additionally, the supplier is required to respond by telephone within two hours upon receiving a fault report and dispatch technical personnel to the site within 24 hours (in accordance with Chengli’s service commitment stated in the winning bid). 2. Spare Parts Supply and Price Lock-in The contract specifies that all repairs and spare parts replacements are free of charge during the warranty period. Post-warranty, spare parts prices shall be based on the quotation list submitted in the bid documents, with annual price increases capped at 5%. This clause effectively mitigates the risk of budget overruns caused by post-warranty spare parts price hikes. Chengli committed in its bid that spare parts would be shipped directly within 24 hours, ensuring rapid equipment restoration. 3. Training and Acceptance Criteria The contract includes detailed training provisions: the supplier must deliver two days of on-site operational training to the procuring entity within seven days after delivery, covering equipment operation, routine maintenance, and basic troubleshooting. Acceptance criteria follow the parameters published in the Ministry of Industry and Information Technology (MIIT) announcements (e.g., model CLW5070GSSD6), ensuring compliance with performance indicators such as drainage efficiency and sewage treatment capacity. II. Common After-Sales Dispute Types: Pain Points in Municipal Procurement After-sales disputes frequently arise in municipal sanitation equipment procurement. According to feedback from Chengli’s service team, the most common issues fall into the following three categories: 1. Unclear Division of Responsibility Between Chassis and Superstructure Many procuring entities fail to clearly define responsibility for after-sales service between the chassis and superstructure when signing contracts. For instance, engine failures may be classified as chassis-related issues, whereas hydraulic system failures are typically considered superstructure-related; cross-system faults often lead to finger-pointi