Government Procurement Case of Dongfeng D6 Blue-Plate Sewage Treatment Vehicle in Weifang: Interpretation of Emergency Replenishment and Rapid Delivery Solution — Release Date: June 2026 I. Background of Sudden Demand: Dual Pressure from Pipeline Blockages and Environmental Inspections In April 2026, an environmental maintenance unit of a subdistrict in Weifang, Shandong Province (hereinafter referred to as “the Unit”) received resident complaints regarding severe blockages in multiple old residential communities and municipal pipelines, resulting in frequent sewage overflow. Simultaneously, the higher-level environmental protection authority issued a time-bound rectification notice, requiring completion of sewage suction, pumping, and treatment in key areas within one week. Among the Unit’s existing sanitation vehicles, only a 10-year-old vacuum tanker remains operational; however, due to chassis aging and non-compliant emissions (China III standard), it is restricted from operating within urban areas and thus unable to meet emergency requirements. Based on preliminary assessment, approximately 150 cubic meters of sewage must be suctioned, pumped, and transported within five days, with pretreatment required for 30% of the volume containing oil-contaminated wastewater. Conventional vacuum tankers offer only suction and pumping capabilities, lacking oil-water separation and preliminary purification functions. Outsourcing to professional wastewater treatment companies entails high costs and slow response times. Therefore, the Unit decided to urgently procure a blue-plate sewage treatment vehicle integrating suction/pumping, oil-water separation, and preliminary purification functions, with a budget capped at approximately RMB 398,000 (based on publicly available tender information). II. Emergency Tendering Process: Tight Timeline, High Requirements, Defined Solution Given the urgency, the Unit activated the “Emergency Procurement Green Channel” and adopted a competitive negotiation approach, inviting three qualified suppliers to submit technical proposals and quotations within five days. Key requirements included: Chassis Requirements: Blue license plate (drivable with Class C driver’s license), gross vehicle weight ≤ 4,500 kg, China VI emission standard compliance, and full eligibility for urban road access. Superstructure Functions: Capable of suction/pumping, oil-water separation, preliminary filtration (suspended solids removal rate ≥ 80%), and sewage transportation. Delivery Timeline: Complete delivery and registration within 15 days after contract signing. Budget Constraint: Unit price controlled within approximately RMB 300,000–350,000 (per local procurement practice). Chengli Special Purpose Vehicle Co., Ltd. (hereinafter “Chengli”), one of China’s largest special-purpose vehicle manufacturers, stood out as the sole supplier meeting all criteria—leveraging its extensive range of certified models (e.g., CLW5070GSSD6 series) and proven track record of emergency deliveries (e.g., Wuhan Urban Management Bureau, Guangdong Industrial Park). Chengli proposed a blue-plate sewage treatment vehicle built on the Dongfeng D6 chassis, referencing the official CLW5070GSSD6 model specifications, and committed to production completion and shipment within 10 days. III. Chengli’s Rapid Response and Delivery: From Contract Signing to Road Operation in Just 12 Days On April 12, 2026, the Unit signed a procurement contract with Chengli for one Dongfeng D6 blue-plate sewage treatment vehicle, with a tax-inclusive landed price of approximately RMB 364,000 (based on publicly available tender data and Chengli’s 2026 quotation system). Chengli initiated production scheduling on the same day, capitalizing on its Suizhou-based “zero-inventory shipping” advantage. While standard delivery lead time for conventional models ranges from 7 to 15 days, Chengli completed chassis modification, superstructure integration, and factory testing in just 10 days.