Government Procurement Case and Bid-Winning Solution Analysis for the National VI Dongfeng 3308 mm Wheelbase Sewage Treatment Vehicle in Xiangyang In the municipal sanitation sector, procurement of sewage treatment vehicles often faces complex technical requirements and stringent budget constraints. In 2024, the Urban Management Bureau of a district in Xiangyang City launched a tender for National VI emission-standard sewage treatment vehicles to address urban sewer network cleaning and emergency response needs. This article takes this procurement case as a reference to thoroughly analyze core tender requirements, Chengli Special Purpose Vehicle’s technical response proposal, commercial quotation strategy, and an objective assessment of the final bid-winning outcome—providing authentic insights for industry peers. I. Tender Background and Core Requirements As a key city along the Han River Basin, Xiangyang has been actively advancing black-and-odorous water body remediation and upgrading its sewage pipeline infrastructure. The vehicles procured in this tender are primarily intended for sewer pipe cleaning, sludge removal, and emergency pumping operations in older residential communities and commercial districts. According to publicly released tender information, the tender document specifies the following core requirements: Chassis Requirements: Dongfeng chassis with a 3308 mm wheelbase, compliant with National VI emission standards; engine output power no less than 95 kW, ensuring maneuverability on urban roads. Upper-structure Functionality: Integrated ‘high-pressure cleaning + vacuum suction’ capability; tank effective capacity no less than 3 m³; maximum suction depth of vacuum pump no less than 8 meters; cleaning pressure no less than 15 MPa. Vehicle Type Certification: Must provide an MIIT (Ministry of Industry and Information Technology) certified model number to ensure nationwide registration eligibility and hassle-free annual inspections. The vehicle model must align technically with Chengli’s officially announced models such as CLW5070GSSD6. Budget Control: Total procurement budget capped at approximately RMB 331,000 (based on local procurement conventions), inclusive of vehicle purchase tax, license plate registration fees, and first-year insurance. Delivery Timeline: Full delivery to be completed within 30 days after contract signing. After-sales Service: Chassis covered by nationwide warranty; upper-structure components guaranteed by the manufacturer for no less than two years, with 24/7 emergency response support. Additionally, bidders were required to submit documentation proving supply of at least two similar projects within the past three years, demonstrating proven technical capability and reliable delivery performance. II. Chengli’s Technical Response Proposal: Precise Alignment with MIIT-Certified Parameters Hubei Chengli Special Purpose Vehicle Co., Ltd. developed a detailed technical response proposal tailored specifically to this tender, leveraging its mature product database and MIIT-certified model portfolio. The core proposed model is the ‘Chengliwei-brand CLW5070GSSD6 High-Pressure Cleaning & Vacuum Suction Truck’, which is already listed in the MIIT’s official vehicle announcement list and fully complies with all tender specifications: Chassis Configuration: Dongfeng DOLICA chassis with 3308 mm wheelbase, equipped with Quanchai Q23-115E60 engine delivering max. power of 85 kW (115 hp), meeting National VI emission standards. Upper-structure System: Tank fabricated from high-quality Q235 carbon steel, with effective capacity of 3.2 m³. Features an Italy-imported high-pressure cleaning pump rated at up to 17 MPa; vacuum pump sourced from a reputable manufacturer in Zibo, Shandong, achieving maximum suction depth of 10 meters. The vehicle enables integrated ‘cleaning–suction–separation’ operation. MIIT Compliance: Model CLW5070GSSD6 has been officially approved in MIIT Announcement No. 34