Interpretation of Government Procurement Case and Qualification Review Scheme for Dongfeng Yizhan-Style Sewage Treatment Vehicles in Hefei. In municipal sanitation equipment procurement, sewage treatment vehicles—due to their specialized operating environments and stringent environmental protection requirements—are subject to rigorous review processes covering vehicle manufacturing qualifications, chassis announcement compliance, emission standards, and more. This article takes the procurement of Dongfeng Yizhan-style sewage treatment vehicles by a municipal sanitation department as a case study, offering an in-depth analysis of key qualification review points in government procurement, essential qualification lists for legitimate manufacturers, methods for verifying production licenses, and practical qualification demonstrations from Chengli Special Purpose Vehicle Co., Ltd.—providing procurement entities with actionable guidance for vehicle selection and tendering. I. Case Background: Procurement Requirements of a Municipal Sanitation Department in Hefei In 2025, a municipal sanitation department in Hefei planned to procure a batch of Dongfeng Yizhan-style sewage treatment vehicles to address urban sewage treatment and emergency dredging needs. According to publicly released tender information, the total budget was capped at approximately RMB 1.357 million, with four units required at an estimated unit price of around RMB 300,000. The procuring entity specified requirements including: Dongfeng chassis, China VI emission standard compliance, capabilities for sewage suction, solid-liquid separation, and automatic discharge, as well as adherence to on-site inspection requirements set by local environmental protection authorities. After multiple rounds of qualification review and technical proposal evaluation, Chengli Special Purpose Vehicle Co., Ltd. successfully delivered four Dongfeng Yizhan-style sewage treatment vehicles. These vehicles are now operational at local sewage treatment stations. Client feedback highlights: complete official vehicle announcements, user-friendly upper-structure operation, and prompt after-sales service response. II. Core Qualification Review: Essential Qualification Checklist for Legitimate Manufacturers Qualification review serves as the 'first gate' in government procurement evaluations for sewage treatment vehicles. Per the "Government Procurement Law" and related industry regulations, legitimate manufacturers must possess the following qualifications: • Business License and Scope of Operations: The manufacturer must hold a license for special-purpose vehicle manufacturing or sales, with business scope explicitly including terms such as "automobile manufacturing" or "vehicle modification." • MIIT Announcement Directory: The bidding vehicle model must be listed in the "Announcement of Road Motor Vehicle Manufacturers and Products," published by the Ministry of Industry and Information Technology (MIIT) of the People’s Republic of China; otherwise, registration and licensing are impossible. • CCC Certification (China Compulsory Certification): Special-purpose vehicles must obtain CCC certification issued by the China Quality Certification Center (CQC), confirming compliance with national safety standards. • Environmental Compliance Documentation: Engines meeting China VI emission standards must be accompanied by an Environmental Information List or official filing documents from the Ministry of Ecology and Environment. • Manufacturer Production License: The enterprise must hold a valid "Special-Purpose Vehicle Production License" or authorized vehicle modification qualification, and must not appear on any list of enterprises with abnormal operations. • After-Sales Service Commitment: Chassis must be covered under original-equipment manufacturer (OEM) joint warranty; upper-structure components must include lifetime service support or repair commitments within the warranty period. • Demonstrated