Handan's 3308 Yellow-Plated Sewage Treatment Vehicle Government Procurement Case: Blue-Plated vs. Yellow-Plated Vehicle Selection Comparison and Winning Bid Solution Analysis In the municipal sanitation sector, the selection of sewage treatment vehicles significantly impacts operational efficiency and cost. In 2023, an environmental maintenance unit of a subdistrict in Handan City, Hebei Province (hereinafter referred to as the 'procuring entity') launched a government procurement project for a '3308 yellow-plated sewage treatment vehicle', with a budget capped at approximately RMB 337,000–449,000 (based on publicly available tender information). After multiple rounds of technical evaluation and price comparison, Chengli Special Purpose Vehicle Co., Ltd. was selected to supply the yellow-plated solution, delivering one complete vehicle along with three years of upper-structure maintenance and warranty service. This article provides an in-depth analysis of this case—from comparisons between blue-plated (C-license) and yellow-plated (B-license) vehicles, differences in operating costs, technical specifications of Chengli’s solution, and target user profiles—to serve as a reference for similar procurement decisions. I. Case Background: Why Choose the '3308 Yellow-Plated' Option Instead of Blue-Plated? The procuring entity is located in urban Handan City and routinely handles small-scale industrial wastewater, municipal pipeline sewage, and emergency drainage during rainy seasons. Initially, it considered blue-plated sewage treatment vehicles (drivable with a C-class license), given their lower driver qualification requirements and potential reduction in driver recruitment costs. However, research revealed that blue-plated models are constrained by a maximum gross vehicle weight rating (GVWR) of ≤4.5 tons, resulting in effective tank capacities typically ranging from 1–2 m³—insufficient to meet the daily sewage volume of 10–15 tons. Frequent round trips to treatment stations consequently increased fuel consumption and time costs. Ultimately, the procuring entity opted for the yellow-plated solution: although requiring a B-class license (raising driver qualification thresholds), its larger capacity delivers superior long-term operational efficiency. II. Blue-Plated vs. Yellow-Plated: Key Parameter and Operating Cost Comparison To illustrate the differences clearly, we compiled the following comparative table based on Chengli Special Purpose Vehicle’s product database and MIIT-approved vehicle parameters (e.g., model CLW5070GSSD6). Note that actual procurement prices depend on chassis configuration, optional equipment, and regional policies; the data below is for reference only. Comparison Dimension Blue-Plated (C-License) Solution (5–6 m³) Yellow-Plated (B-License) Solution (8–12 m³) Driver License Requirement C1/C2 (standard drivers acceptable) B2 or higher (professional drivers required) GVWR (as per official announcement) ≤4.5 tons Approx. 8–18 tons Effective Tank Capacity Approx. 1–2 m³ Approx. 3–6 m³ Single-Trip Processing Capacity Approx. 5–8 tons/day Approx. 20–30 tons/day Vehicle Purchase Cost Approx. RMB 98,000–135,000 (based on Chengli’s blue-plated pricing) Approx. RMB 198,000–298,000 (based on Chengli’s yellow-plated 12–15 m³ pricing) Annual Fuel Consumption Cost Approx. RMB 12,000–18,000 (assuming 50 km/day) Approx. RMB 15,000–22,000 (slightly higher due to greater vehicle weight) Annual Driver Salary Cost Approx. RMB 60,000–80,000 (C-license drivers easier to recruit) Approx. RMB 80,000–100,000 (B-license drivers command 20–30% higher salaries) Annual Maintenance & Repair Cost Approx. RMB 5,000–10,000 Approx. RMB 8,000–15,000 (including upper-structure servicing) Total Annual Operating Cost Approx. RMB 77,000–108,000 Approx. RMB 103,000–137,000 Applicability