Case Background: Framework Procurement Agreement for Yellow-Plate Sewage Treatment Vehicle (Model 3308) in Changchun — Located in Northeast China’s frigid region, Changchun frequently experiences winter temperatures below -30°C, imposing stringent requirements on municipal sanitation vehicles’ frost-resistant starting capability and low-temperature hydraulic system stability. In 2023, a municipal sanitation department planned to procure yellow-plate sewage treatment vehicles (model 3308; chassis model CLW5110TQZC6, etc., per MIIT announcement parameters) in batches to support sewage pipeline renovation in aging urban districts, for routine sewage suction, transportation, and emergency response. Per local procurement practices, the department adopted a 'framework agreement' procurement model, selecting one or two suppliers via public tender and signing a two-year framework agreement to fulfill an anticipated demand of approximately 15 units over the next two years. Based on publicly available tender information, the total project budget was capped at around RMB 3.5 million, with unit prices ranging from RMB 258,000 to RMB 314,000. The core challenge of this case lies in ensuring rapid vehicle startup, stable hydraulic system operation under low-temperature conditions, and delivering a reliable winter maintenance solution. Chengli Special Purpose Vehicle Co., Ltd. secured inclusion in the framework agreement, leveraging its technical expertise in special-purpose vehicles and extensive service experience across Northeast China. Selection Process: Dual-Driven Technical and Commercial Evaluation Framework agreement procurement typically comprises three phases: prequalification, technical evaluation, and commercial bidding. The municipal sanitation department explicitly stipulated in its tender documents that vehicles must be equipped with a 'low-temperature starting assistance system', including—but not limited to—fuel heaters, battery insulation sleeves, and hydraulic oil pre-heating devices. Additionally, bidders were required to provide a comprehensive winter maintenance manual and 24-hour emergency response services. During the prequalification phase, Chengli Special Purpose Vehicle submitted complete corporate credentials, including MIIT announcements (e.g., model CLW5110TQZC6), ISO 9001 Quality Management System Certification, and proof of after-sales service network coverage (nationwide Dongfeng chassis warranty + lifetime upfitting equipment service). During technical evaluation, Chengli presented a customized solution tailored for Northeast China: chassis options included Dongfeng or Sinotruk series; engines featured standard cold-start glow plugs; and the hydraulic system employed low-temperature-resistant seals and synthetic hydraulic oil, ensuring normal operation down to -35°C. In the commercial bidding phase, Chengli leveraged its 'direct factory sales without intermediaries' advantage to quote a unit price of approximately RMB 245,000 (tax-inclusive landed price, per publicly available tender data)—RMB 11,000–17,000 lower than 4S-channel quotations—and committed to a standard delivery cycle of 7–15 days. Key Comparative Data: Low-Temperature Performance Comparison Between Chengli’s 3308 Yellow-Plate Sewage Treatment Vehicle (Chassis Model CLW5110TQZC6) and Market Competitors (Based on MIIT Announcement Parameters and Manufacturer Technical Documentation) Low-Temperature Performance Comparison Table Comparison Item Chengli CLW5110TQZC6 Main Market Competitor A Main Market Competitor B Chassis Brand Dongfeng / Sinotruk (optional) Foton FAW Jiefang Low-Temperature Starting Assistance System Standard: Fuel heater + battery insulation sleeve Optional (additional cost ~RMB 3,000) Standard fuel heater only Hydraulic Oil Operating Temperature Range -35°C to +80°C