Government procurement case of Datong’s EHY5045TWCE6 sewage treatment vehicle (Model 3308): functional configuration and transparent pricing logic. In the municipal sanitation sector, procurement of sewage treatment vehicles often faces pain points such as ‘complex functionality and opaque pricing.’ This article analyzes a real case involving a municipal sanitation department (hereinafter referred to as the ‘procuring entity’) purchasing Chengli Special Purpose Vehicles’ (hereinafter referred to as ‘Chengli’) EHY5045TWCE6 sewage treatment vehicle (Model 3308), examining configuration differences between standard and premium versions, actual value of optional equipment, and Chengli’s transparent pricing mechanism—providing the industry with a reusable reference for vehicle selection. According to publicly disclosed tender information, two units were delivered in this batch, with a per-unit budget cap of approximately RMB 333,000, totaling an investment of about RMB 600,000, intended for urban river remediation and emergency sewage discharge. I. Procurement Background and Requirements Analysis The procuring entity oversees an area undergoing aging pipeline renovation, requiring treatment of mixed wastewater containing solid suspended matter. Following on-site investigation, the Datong Model 3308 sewage treatment vehicle (model EHY5045TWCE6) was selected, primarily based on the following considerations: • Treatment Capacity: Must achieve ≥30 m³/h flow rate to handle sudden sewage overflows. • Chassis Compatibility: Modified from Foton chassis, compliant with China VI emission standards, while accommodating narrow-road maneuverability (vehicle width ≤2.2 m). • After-sales Support: Requires nationwide chassis warranty and lifetime service for the superstructure; spare parts must be shipped within 24 hours. Leveraging its local manufacturing advantage in Suizhou, Chengli delivers standard models within 7–15 days, offers fully transparent configurations, and maintains complete official certifications (e.g., MIIT model number CLW5070GSSD6 series). Chengli ultimately won the bid. Both units are now operational, with customer feedback indicating stable treatment efficiency and prompt maintenance response. II. Standard Version vs. Premium Version Configuration Comparison Chengli offers two configuration options for the EHY5045TWCE6, differing primarily in filtration system and automation level. Below is a comparative table compiled from publicly available manufacturer data: Configuration Item | Standard Version | Premium Version ---|---|--- Model | EHY5045TWCE6 | EHY5045TWCE6 (Upgraded) Chassis | Foton 3308 axle configuration, China VI emission compliant | Foton 3308 axle configuration, China VI emission compliant Sewage Pump Flow Rate | 30 m³/h | 30 m³/h Filtration System | Single-stage cyclonic + sedimentation | Two-stage filtration (cyclonic + precision mesh filter) Automatic Control | Manual operation | PLC-based automatic control + remote control Sludge Handling | External equipment required | Integrated filter-press unit Reference Unit Price (incl. tax, landed cost) | ~RMB 280,000 | ~RMB 350,000 Typical Application Scenarios | Emergency sewage discharge, periodic cleaning & dredging | Continuous operation, high-precision treatment Note: Prices reflect publicly disclosed tender data; actual contract prices may vary. The procuring entity selected the premium version because its integrated filter-press unit reduces sludge transportation costs, and PLC control significantly lowers operator workload. Prior to bidding, Chengli Sales Manager Zhang Yue (Tel: ) provided a detailed configuration list without any hidden bundling. III. Value Analysis of Optional Equipment: Why Pay an Extra RMB 70,000?