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Fifty offers arrive and none of them can be compared: one includes tax, one does not, one includes reconditioning, and each describes condition in its own words. The work is not finding vehicles — it is making them comparable before somebody commits a price.
Prefer Chinese? The Chinese edition of this page carries the full source list and every numeric caveat. 本页中文版
- IntakeFive elements normalised before pricing
- ComparisonFive elements + three adjustments
- ContractTerms, condition clause, delivery date
- DocumentsTitle and completeness as a field
- SuppliersAccuracy · fulfilment · cooperation
1. Why offers cannot be compared
Comparison needs one basis, and an inconsistent basis is the norm in this business.
Dealers quote inclusive or exclusive of tax, some fold a reconditioning estimate into the price, some ask for cash. Condition descriptions use different vocabularies: 'original paint' to one seller and 'minor touch-up' to another can be the same car.
You cannot make sellers change their habits — they will not change for one buyer. Normalisation has to happen on the buying side, at intake, before anything is compared.
- Comparison by memory. Dozens of quotes live in chats; the buyer asks a few and forgets the rest.
- Condition by trust. Inspecting every car is not affordable, so unverified claims pass as facts.
- Documents discovered at payment. Registration certificate, invoice, tax certificate — one missing item found after the money left.
- History in a person's head. Which supplier's descriptions were accurate leaves with the buyer.
- Two pools, two prices. The export team and the used-vehicle team each record the same dealer, then bid against each other.
The point of a shared pool is not storage; it is that one dealer is recorded once and one offer exists once. On that basis 'A is cheaper than B' becomes a checkable statement instead of an impression.
A second, undervalued output: description accuracy becomes countable. A supplier with twenty offers and three mismatches changes the next negotiation — and that record only exists if it is kept.
2. Three source types, three confirmation styles
Same fields, different risk. The source type decides which documents are mandatory, not which process runs.
| Source type | Typical party | How offers arrive | What confirmation focuses on |
|---|---|---|---|
| Dealer / distributor | Regional dealers, used-car traders | Chat, spreadsheet, phone — formats differ | Registration and ownership status, whether a lien exists, whether an invoice can be issued |
| Online platform | Vehicle platforms | Account or exported data feed | Condition commitments made under platform rules and how disputes are handled |
| OEM / group | Manufacturers, group transfers | Batch list and transfer order | Conformity certificate, consistency certificate, invoicing and settlement cycle |
The source type determines the mandatory document list; specific requirements follow the current registration and tax rules of the market concerned.
The last column is the useful one. A dealer's risk sits in title and invoices, a platform's in whether condition commitments are honoured, an OEM's in certificates and settlement timing. Configuring mandatory fields by source type prevents the classic mismatch of applying an OEM checklist to a dealer.
3. Eight steps, two gates
One gate stops vehicles not worth comparing; the other stops vehicles that cannot be paid for.
| Step | Gate | What happens | Output |
|---|---|---|---|
| 1. Offer intake | Multi-source offers registered with source type and mandatory fields | Pending-completion record | |
| 2. Offer appraisal | Gate | Normalised on five elements; obvious condition or document mismatches stay out of the pool | Appraisal conclusion |
| 3. Like-for-like comparison | Five elements aligned plus three adjustments | Comparable table | |
| 4. Negotiation and contract | Negotiation recorded; purchase contract signed with a condition clause | Purchase contract | |
| 5. Payment and arrival | Payment per plan; arrival and acceptance recorded | Payment record, arrival note | |
| 6. Title and documents | Gate | Ownership verified and documents archived; incomplete items do not pass | Title check, completeness status |
| 7. Handover to warehouse | Handover note generated and passed to the storage stage | Handover note | |
| 8. Write-back | Quote accuracy, fulfilment and document cooperation written to the supplier record | Supplier score |
The first gate must not be a hard block. Vehicle supply is competitive; make intake too heavy and offers stop arriving. Intake first, mark as pending, keep it out of comparison.
The return path matters as much as the gate: finding at payment that the registered owner differs from the contracting seller should lead back through the intake record to the offer's ownership declaration. Traceable, it is one supplier and one offer; untraceable, it becomes an anecdote that repeats.
4. Like-for-like: five elements and three adjustments
Comparison is not finding the lowest number; it is converting five incomparable numbers into one basis.
| Element | What must align | What goes wrong otherwise |
|---|---|---|
| Model and trim | Trim, model year, transmission, drive, option packs | Comparing a base trim to a loaded one |
| Mileage and age | First registration date, odometer | Same model year, two years apart in use |
| Condition grade | Structural parts, panels, flood, fire, odometer authenticity | A repaired accident car priced as clean |
| Price basis | Tax included or not, reconditioning included or not, delivered where | One tax point can reverse the conclusion |
| Document completeness | Registration, invoice, tax certificate, conformity certificate | The cheap car costs more after the missing document is obtained |
Default basis; the actual split follows the customer's organisation and authorisation scheme.
Three adjustments are applied before ranking. Reconditioning reserve, entered as a range by condition grade. Transport and time to the consolidation point, including the promised delivery date. And supplier fulfilment risk, read from the accuracy record rather than from the seller's self-description.
Give ranges, not point estimates. A reconditioning reserve of a range lets a decision maker see under which conditions A wins and under which B does; a single number invents precision the buyer will stop trusting.
The comparison must also export with its basis — who filled each element and when. A recommendation without a basis cannot be defended upward, and the export is what makes a review six months later possible.
5. Shared pool, isolated negotiations
Vehicle information can be shared across the company; who asked which price cannot.
If two teams see each other's negotiated prices for the same vehicle, a shared pool becomes an internal auction, and the supplier learns to wait. Isolation is by team, not by person: the pool is shared, the negotiation record is not.
- Vehicle records shareable company-wide; negotiation history visible to the owning team only.
- Appraisal photos and inspection records shareable — they are evidence, not leverage.
- Supplier contact and settlement terms restricted to purchasing and finance.
- Wholesale or transfer prices visible only to the desks that use them.
6. Six red lines
None of them is about technology; all of them cost money.
- Storing raw offer text and normalising later. Comparison is always one step behind, and vehicle supply is a race.
- Hard-blocking incomplete offers. You lose supply to protect data quality — the wrong trade at intake.
- Ranking without adjustments. The cheapest offer is frequently the most expensive one after reconditioning and documents.
- Point estimates for reconditioning. False precision gets ignored, and the reserve stops being applied.
- One pool per team. Two records of one dealer, two prices, and a supplier who plays both sides.
- No write-back. The accuracy record is the only asset procurement accumulates; without it, every negotiation starts from zero.
7. Questions we are asked most
Five, in the order they arrive.
Is this the same as the used-vehicle export line?
No. This line ends when the vehicle is purchased and handed to storage. Export licensing, declaration, shipping and collection belong to the export lines, which consume this pool.
Can it connect to a platform's data feed?
Yes, through the open API. The feed fills the pool; normalisation and comparison still run here, because a feed's fields are never aligned to your basis.
Who defines the condition grade?
The inspecting party and the contract do. This line records the grade as a required field and applies it in comparison; it does not define technical standards.
Do we need an inspection for every vehicle?
No, and that is the point: grading lets you inspect where the risk is concentrated and reserve for the rest.
Does the demo contain real suppliers?
No. Suppliers, prices and inspection results in the demo are constructed.
Citation
Suanshu Haiyuan. Vehicle Sourcing & Procurement Platform. Shanghai Siyang Information Technology Co., Ltd.. https://eficien.com/en/solutions/wai-source.html (source list verified 2026-10-17; English edition 2026-10-29).
This page describes how the system carries these stages and fields. It is not legal, tax or customs advice. Rates, categories, deadlines and document requirements follow the competent authority's current rules and must be confirmed by your responsible staff and professional advisers. The Chinese edition lists the official reference entry points; this edition does not restate them, and deliberately gives no numeric conclusions.
8. Where to start
Take twenty offers that were quoted last month.
Align them on the five elements and see how many survive as genuinely comparable. The number is usually smaller than expected, and that gap is the case for normalising at intake.
- Write the five elements as required fields and mark the rest as pending.
- Add document completeness as its own field and show it in the comparison view.
- Add the three adjustments as ranges with their basis.
- Isolate negotiation records by team.
- Start the supplier accuracy record with the last quarter's mismatches.
How many offers can you compare today?
Send one month of offers; we will show how many are comparable on a single basis and where the gaps are.
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