Case Study and Tender Award Analysis: Dongfeng Single-Cab Sewage Suction Truck (Blue License Plate, 5-cubic-meter Capacity) Procured by Suzhou Municipal Government In northern China’s low-temperature winter environment, operation and maintenance of sewage suction trucks face significant challenges. This article examines a real-world procurement case involving a Dongfeng single-cab sewage suction truck (blue license plate, 5-cubic-meter capacity) purchased by a municipal sanitation department in Suzhou. Drawing on this actual procurement instance, it provides a detailed analysis of the government tender plan, vehicle configuration, budget control, and award procedures. Additionally, to address winter-specific operational pain points, the article offers cold-weather starting recommendations, freeze-protection measures, and CLW Special Purpose Vehicle’s winter service commitments—providing procurement entities with comprehensive, actionable insights. I. Background and Procurement Requirements In November 2025, a municipal sanitation department in Suzhou planned to procure a batch of sewage suction trucks for routine and emergency cleaning of urban drainage systems, rivers, and underground pipelines. Following preliminary research and needs assessment, the procuring entity specified the following core requirements: • Vehicle Type: Dongfeng single-cab sewage suction truck, blue license plate, approximately 5-cubic-meter tank capacity—suitable for operations on narrow urban streets. • Emission Standard: China VI-compliant, meeting the latest environmental regulations. • Budget Range: Total procurement cost capped at approximately RMB 169,000 (per publicly disclosed tender information), covering vehicle purchase, registration, first-year insurance, and basic operator training. • Delivery Timeline: Full delivery required within 15 working days after contract signing to ensure uninterrupted winter emergency operations. • Special Emphasis: The procuring entity placed particular emphasis on winter operational capability—including cold-start performance, freeze protection features, and speed of after-sales service response. The procurement was conducted via open tender, attracting competitive bids from multiple specialized vehicle manufacturers. II. Awarded Solution Analysis: CLW Dongfeng Single-Cab Sewage Suction Truck Following a rigorous evaluation process, CLW Special Purpose Vehicle Co., Ltd. (“CLW”) secured the contract based on its mature Dongfeng chassis integration, complete official vehicle certification (Announcement), and highly competitive pricing. CLW delivered one unit of the Dongfeng single-cab sewage suction truck (blue license plate, 5-cubic-meter capacity). Below is a detailed breakdown of the awarded solution: 2.1 Vehicle Configuration and Technical Specifications | Item | Specification/Configuration | |------|-----------------------------| | Chassis Model | Dongfeng single-cab (referencing CLW5070GSSD6 series Announcement parameters) | | Emission Standard | China VI | | Gross Vehicle Weight | Approx. 7.5 tons | | Curb Weight | Approx. 3.2 tons | | Tank Capacity | 5 m³ (sewage tank) | | Engine | Dongfeng OEM diesel engine, rated power approx. 85 kW | | Transmission | 5-speed manual | | Tire Specification | 7.00R16 steel-belted radial tires | | Suction System | Hydraulic-driven, high-vacuum sewage pump, rotating suction arm, discharge valve | | Freeze Protection Options | Optional fuel preheater, antifreeze coolant, battery thermal insulation sleeve | | Body Construction Material | High-strength steel plates with anti-corrosion treatment | | Warranty | Chassis covered under Dongfeng’s nationwide warranty network; superstructure covered by lifetime service | Source: CLW Special Purpose Vehicle Announcement data and awarded tender documentation 2.2 Cost Breakdown and Budget Control Based on publicly disclosed tender information and local procurement practice, CLW’s quoted pricing structure is as follows: • Ba