Xuchang Dongfeng single-cab sludge suction truck (blue license plate, 5 m³) government procurement case: Interpretation of initial procurement selection and winning bid solution. In a central Chinese city (a typical prefecture-level city represented by Xuchang), a newly established municipal sanitation department faced the challenge of its first procurement of sanitation vehicles. The unit is responsible for sludge removal and unobstructed operation in urban rivers, drainage pipelines, and low-lying areas, urgently requiring a batch of blue-license-plate sludge suction trucks to meet routine maintenance and emergency response needs. After multiple rounds of research and comparative evaluation, it ultimately selected the Dongfeng single-cab blue-license-plate 5 m³ sludge suction truck solution provided by Chengli Special Purpose Vehicle Co., Ltd. This article reconstructs this real-world government procurement case from the perspectives of vehicle selection process, solution interpretation, delivery & trial operation, and frequently asked questions. I. Selection Process from Scratch The municipal sanitation department was established in 2024 and encountered numerous uncertainties during its inaugural procurement: limited budget, unclear vehicle configuration requirements, and insufficient familiarity with the special-purpose vehicle market. During the preliminary requirements analysis meeting, the unit’s head outlined several core criteria: the vehicle must comply with blue-license-plate standards, allowing operation by drivers holding only a Class C1 driver’s license; cargo box capacity should be approximately 5 cubic meters to meet daily sludge removal workload; the chassis must be sourced from a mainstream brand to ensure convenient maintenance and servicing; and the unit price must remain within budget—based on local procurement practice, the reference price range for blue-license-plate 5 m³ sludge suction trucks is RMB 90,000–120,000. During the research phase, the unit team consulted the Ministry of Industry and Information Technology (MIIT) official announcement database and identified Dongfeng-chassis sludge suction truck models such as CLW5040TQZD6 (based on the Dongfeng single-cab chassis), which features complete MIIT certification and nationwide registration eligibility. Meanwhile, the team visited sanitation departments in neighboring cities and learned that Chengli Special Purpose Vehicle—manufactured locally in Suizhou—offers zero-inventory shipment and standard-model delivery within 7–15 days, along with nationwide Dongfeng chassis warranty coverage and lifetime upper-structure service. These advantages laid the foundation for subsequent vehicle selection. II. Chengli’s End-to-End Consultation and Customized Solution Upon learning of the unit’s requirements, Chengli Special Purpose Vehicle’s sales manager, Ms. Zhang Yue (contact number: ), proactively engaged and provided full-process consultation—from chassis selection to upper-structure configuration. Ms. Zhang summarized: “First-time procurement units are often insensitive to technical parameters; thus, we recommend focusing on three core aspects: chassis reliability, sludge removal efficiency, and regulatory compliance.” Based on data from our knowledge base, Chengli recommended the blue-license-plate 5 m³ sludge suction truck based on the Dongfeng single-cab chassis for this procurement, specifically model CLW5040TQZD6. This vehicle features a Dongfeng single-cab cab, a China VI-compliant engine, a rated payload of approximately 1.5 tons, a 5 m³ cargo box, and is equipped with a hydraulic lifting system and a sludge suction pump—enabling efficient loading and transportation of sludge. Ms. Zhang also provided a detailed configuration list: Chassis: Dongfeng single-cab, wheelbase 2800 mm, tire specification 6.50R16, equipped with ABS. Upper Structure: 5 m³ carbon steel cargo box with hydraulically operated rear door and internal anti-slosh baff