Government Procurement Case and Bid-Winning Solution Analysis for the New Dongfeng Wastewater Treatment Vehicle in Changde — In municipal sanitation equipment procurement, wastewater treatment vehicles—due to their technical complexity and diverse operating conditions—are often a headache for buyers. An inappropriate selection may lead to equipment idleness and soaring maintenance costs. This article draws on a real procurement experience of a municipal sanitation department in Changde, offering an in-depth analysis of the full process—from initial missteps to subsequent risk mitigation—and elucidates the vehicle-selection logic adopted by experienced buyers, providing reusable reference for similar procurement projects. I. Case Background: Pitfalls Encountered During Initial Procurement A municipal sanitation department in Changde (hereinafter referred to as “the unit”) procured its first wastewater treatment vehicle in 2023. Due to insufficient understanding of specialized vehicle technical specifications, it selected a low-cost model from a certain brand. Initially, the equipment performed acceptably under routine operating conditions; however, after six months of operation, multiple issues emerged: • Low treatment efficiency: Actual wastewater treatment capacity reached only 60% of the rated value, failing to meet peak-demand requirements. • Poor chassis–body integration: Without considering local road conditions and operational environment, the vehicle frequently stalled and leaked fluid when operating in complex terrain. • Lagging after-sales service: As the chassis and body were supplied by different manufacturers, responsibility was shifted back and forth during repairs, resulting in equipment downtime exceeding 30 days. According to the unit’s procurement manager: “During our first tender, we focused solely on price and basic parameters, overlooking critical aspects such as chassis announcement compliance, bodywork manufacturing quality, and after-sales service systems—ultimately incurring greater losses than benefits.” This lesson directly prompted the unit to shift toward more mature and reliable suppliers for its second procurement in 2024. II. How Risks Were Mitigated in the Second Procurement: Shifting from “Low-Price Orientation” to “Total Lifecycle Cost” In 2024, the unit launched another wastewater treatment vehicle procurement, with a budget capped at approximately RMB 341,000 (based on publicly available local tender information). This time, it adopted a systematic risk-mitigation strategy: 1. Strict Review of Chassis Announcement and Emission Standards The unit required all tendered vehicles to comply with China VI emission standards, and mandated that chassis announcements be verifiable in the latest Ministry of Industry and Information Technology (MIIT) official directory. Dongfeng chassis models offered by Chengli Special Purpose Vehicle Co., Ltd. (e.g., CLW5070GSSD6) became key candidates, as they feature original Dongfeng chassis with nationwide warranty coverage. 2. Emphasis on Chassis–Body Compatibility The procurement team required bidders to submit comprehensive joint test reports covering both chassis and bodywork. As a local manufacturer based in Suizhou, Chengli operates its own bodywork production line and can customize filtration and separation systems tailored to Changde’s local water quality characteristics (e.g., high sediment content and acidic pH), thereby avoiding compatibility issues inherent in assembled vehicles. 3. Establishment of After-Sales Service Performance Evaluation Mechanism The contract explicitly stipulated: chassis-related faults must be responded to within 48 hours by authorized Dongfeng service stations; bodywork-related issues are covered by Chengli’s lifetime service commitment; and spare parts must be shipped directly within 24 hours. This clause disqualified several bidders with inadequate after-sales support systems. 4. On-Site Inspection and Reference Case Valid