Government Procurement Case and Bid-Winning Solution Analysis for the CN6 Dongfeng 3308 mm Wheelbase Sewage Treatment Vehicle in Luoyang City In recent years, with increasingly stringent environmental policies and upgraded urban sewage treatment requirements, municipal sanitation departments across the country have seen sustained growth in demand for professional sewage treatment vehicles. Taking a recent government procurement project completed by a municipal sanitation department in Luoyang as an example, this procurement focused on CN6-emission-standard Dongfeng sewage treatment vehicles with a 3308 mm wheelbase, aiming to enhance emergency sewage treatment capabilities in urban areas and industrial parks. This article comprehensively analyzes this typical case—from qualification review and tendering procedures to the winning bid solution—providing practical reference for similar procurement activities. I. Project Background and Procurement Requirements This procurement project was led by the Urban Management Bureau of a district in Luoyang, with a budget capped at approximately RMB 340,000 (based on publicly available tender information). It plans to procure one sewage treatment vehicle for emergency treatment of urban sewer blockages, river overflows, and industrial wastewater purification. Key requirements include: Chassis Requirements: CN6 emission standard; Dongfeng brand; wheelbase approximately 3308 mm—ensuring maneuverability and stability. Superstructure Functions: Capable of sewage suction, solid-liquid separation, chemical dosing, and purified discharge; daily treatment capacity not less than 50 cubic meters. Qualification Requirements: Bidders must provide complete documentation including the MIIT Announcement, CCC certification, and Environmental Information Accompanying Vehicle List. II. Essential Qualifications Required for Authorized Manufacturers In government procurement, qualification review serves as the first critical checkpoint to ensure product quality and regulatory compliance. Below is a list of essential qualifications commonly required for authorized manufacturers: Qualification Name — Description — Importance MIIT 'Announcement of Road Motor Vehicle Manufacturers and Products' — Confirms that the vehicle model has obtained national production approval and is legally eligible for registration and annual inspection — Mandatory; without inclusion in the Announcement, vehicle registration and operation are impossible. CCC Compulsory Certification Certificate — Ensures compliance with national standards for vehicle safety, environmental protection, and other key indicators — Mandatory. Environmental Information Accompanying Vehicle List — Verifies CN6 emission compliance; required for environmental inspections nationwide — Mandatory. Vehicle Conformity Certificate — Confirms consistency between actual vehicle parameters and those listed in the MIIT Announcement — Mandatory. Chassis Certificate of Conformity & Superstructure Certificate of Conformity — Certifies that both chassis and upfitting components have passed quality inspection — Mandatory. ISO Quality Management System Certification — Demonstrates standardized enterprise production processes — Bonus item (non-mandatory). In this Luoyang project, the procuring entity specifically emphasized "full MIIT Announcement coverage enabling normal registration, annual inspection, and commercial operation nationwide," and required bidders to submit photocopies of all above-listed certificates along with original documents for verification. III. How to Verify Production Authorization? Procuring entities or bidders may quickly verify production authorization via the following steps: MIIT Official Website Query: Visit the MIIT 'Road Motor Vehicle Manufacturers and Products Information Inquiry System,' enter the vehicle model number (e.g., CLW5070GSSD6) or manufacturer name to confirm inclusion in the official Announcement. CCC Certificate Verificat