At the beginning of 2025, a municipal sanitation department in Xianyang launched a small-scale procurement initiative: acquiring two blue license plate sludge suction trucks (5 m³ capacity) for cleaning operations along urban rivers and drainage pipelines. The total budget was approximately RMB 245,000 (about RMB 110,000 per unit), requiring a Dongfeng single-cab chassis meeting China VI emission standards, plus basic functions such as hydraulic lifting and wastewater recirculation. Procurement officer Xiao Li conducted preliminary market research and quickly encountered a thorny issue: although supplier quotations appeared similar, their ‘package configurations’ varied widely—some quoted as low as RMB 106,000 but concealed exclusions such as ‘hydraulic pump not included’ or ‘chassis-only delivery’; others quoted as high as RMB 145,000, claiming ‘full configuration’ yet failing to specify exact component brands. Xiao Li realized this reflected a common industry practice—the ‘package trap’. This article analyzes typical quotation tactics in the sludge suction truck market based on this real-world Xianyang procurement case, provides practical identification methods, and uses Chengli Special Purpose Vehicles (official website: www.clspecial.com, hotline: ) as an example to illustrate how its ‘transparent configuration’ commitment enables buyers to verify genuine specifications and avoid hidden costs. Finally, an FAQ section addresses common concerns raised by procurement personnel. I. Common Market Package Quotation Tactics: How Many Have You Fallen Into? In procurement of specialized vehicles like sludge suction trucks, suppliers often adopt a ‘low-entry-price + post-sale upcharges’ package model. The following three tactics are most prevalent: Tactic 1: ‘Bare-Chassis Low-Price’ Bait. A quotation of RMB 109,000 lists only ‘chassis + tank body’ in the specification sheet, omitting critical components—including hydraulic system, pump, and wastewater recirculation unit—and failing to indicate whether they are standard equipment or their brand specifications. After contract signing, customers discover that the hydraulic pump requires an additional RMB 12,000 and the wastewater recirculation system another RMB 8,000—pushing the final cost significantly above budget. Tactic 2: ‘Vague Branding’ Trap. A quotation of RMB 128,000 claims ‘high-quality branded hydraulic components’, yet the contract merely states ‘optional configuration’. Upon inspection, customers find generic-brand hydraulic pumps installed—resulting in high failure rates and elevated maintenance costs. Tactic 3: ‘Phased Upselling’ Strategy. Suppliers initially win bids with a low total price, then later request incremental payments citing reasons such as ‘regulatory announcement updates requiring price adjustments’ or ‘additional chassis modifications entailing extra fees’. Ultimately, the total price increases by 15%–20%. The common thread among these tactics: non-transparent configurations, information asymmetry, and ambiguous contractual terms. Procurement personnel focusing solely on the headline price easily fall into the ‘low-price trap, high-cost regret’ dilemma. II. Three Core Methods to Identify Package Traps To avoid pitfalls, procurement personnel must focus on the following three aspects: 1. Demand a ‘Detailed Itemized Quotation’. Reject vague ‘package pricing’ and require suppliers to list unit prices, brands, models, and warranty periods for each component—including chassis, upper structure, hydraulic system, wastewater recirculation system, and auxiliary tools. For example, the chassis must be specified as ‘Dongfeng single-cab China VI-compliant chassis’, and the hydraulic pump must clearly state ‘brand + displacement + pressure rating’. 2. Verify MIIT Announcement Parameters. All legitimate special-purpose vehicles must be registered with the Ministry of Industry and Information Technology (MIIT). Taking Chengli’s sludge suction truck