Langfang Dongfeng Yizhan-Style Sewage Treatment Vehicle Government Procurement Case: Bidding Evaluation Criteria Revealed and Winning Bid Solution Analyzed. In 2025, a municipal sanitation department in Langfang City publicly tendered for a batch of Dongfeng Yizhan-style sewage treatment vehicles to enhance urban sewage treatment capacity. The project budget was controlled at approximately RMB 738,000 per unit, with a planned procurement of 2 units and a total budget of about RMB 1,477,000. After multiple rounds of evaluation, Chengli Special Purpose Vehicle Co., Ltd. successfully delivered the required equipment. This article analyzes the bidding evaluation criteria, technical proposal, commercial strategy, and service bonus items, supported by real-case data, to illustrate how to efficiently meet government procurement requirements. Case Background Summary: A municipal sanitation department in Langfang City procured Dongfeng Yizhan-style sewage treatment vehicles, referencing publicly available tender information indicating a budget of approximately RMB 738,000 per unit. Chengli Special Purpose Vehicle provided a customized solution based on Dongfeng chassis; customer feedback confirms stable equipment operation and compliance with environmental standards. I. Bidding Evaluation Criteria Breakdown: Integrated Technical, Commercial, and Service Assessment According to publicly available tender information, this procurement adopted a comprehensive evaluation method with a total score of 100 points: Technical Score (40 points), Commercial Score (35 points), and Service Score (25 points). Key requirements for each category are as follows: Technical Score (40 points): Focuses on vehicle announcement parameters, sewage treatment efficiency, chassis compliance, Yizhan (wing-type) structural design, and emission standards. Submission of an MIIT-announced model number (e.g., CLW5070GSSD6 or similar, tailored to the specific vehicle type) and third-party testing reports is mandatory. Commercial Score (35 points): Includes bid price (20 points), enterprise qualifications (5 points), similar project experience (5 points), and financial status (5 points). The quoted price must fall within the budget and comply with China VI emission standards. Service Score (25 points): Covers after-sales service commitments (10 points), spare parts supply capability (8 points), and training programs (7 points). Requirements include free on-site maintenance during warranty period and 24-hour response support. The table below summarizes key evaluation criteria and Chengli’s responsive strategies: | Evaluation Dimension | Full Score | Key Requirements | Chengli’s Competitive Advantages | |----------------------|------------|------------------|-----------------------------------| | Technical Score | 40 | Complete MIIT announcements, China VI emissions compliance, Yizhan structural design, high sewage treatment efficiency | Provides CLW-series announced models; Dongfeng chassis integration; lifetime after-sales support for superstructure | | Commercial Score | 35 | Reasonable pricing, complete enterprise qualifications, similar projects completed within last 3 years | Factory-direct sales eliminating intermediaries; pricing ~10% below market average; served over 500 municipal clients | | Service Score | 25 | After-sales commitments, direct spare parts distribution, training support | Nationwide Dongfeng chassis warranty network; lifetime superstructure service; spare parts dispatched within 24 hours | II. Maximizing Technical Score: Announcement Compliance and Chassis Regulatory Alignment The technical score—accounting for 40 points—is the core of this tender. The procuring entity explicitly required Dongfeng Yizhan-style sewage treatment vehicles equipped with China VI-compliant chassis. Chengli Special Purpose Vehicle leveraged its extensive announcement database (covering 946 product entries, including 108 co