A detailed RFQ can still fail when it tries to shortlist suppliers and lock final pricing at the same time. Use two stages: confirm fit with a short brief, then require shortlisted suppliers to complete the same versioned quotation table.
That split gives both sides a useful early conversation without letting a partial price enter the final comparison. A supplier may propose an alternative, leave a field to be confirmed or decline a requirement. It should not silently price a different product or delivery scope.
Three buyer cases show where quotation comparison breaks
We reviewed the original posts, replies and official guidance on 6 September 2026. The cases cover stationery, an Amazon-bound product and custom chafing dishes rather than small appliances alone. They do not establish a failure rate. They expose the same decision problem from three points in the order cycle.
| Buyer situation | What was visible | What the case can support |
|---|---|---|
| Customized test order | An established business described an approximately USD 5,000 first order, a detailed specification and packaging plan, but received replies that omitted requirements or quoted them inaccurately | A long document does not create a comparable offer if the supplier has not first accepted the product, quantity and customization fit |
| 500-unit Amazon order | The seller planned 250 units by air and 250 by sea. Supplier DDP figures totalled USD 1,012, while a posted FOB line plus a forwarder totalled USD 1,672.09 | Totals using different routes, delivery points, inspections and inclusions cannot prove which option is cheaper |
| Custom order with a fixed event date | The buyer reported air freight moving from USD 925 to USD 1,825 after production, after a 50% deposit. A later comment says the dispute closed with a refund and weeks of design work lost | Freight basis, packed data, quote validity and change rules need to be visible before a deadline depends on them |
The third discussion also contains the strongest counterpoint: air-freight rates can genuinely move. A higher later figure is not automatically supplier misconduct. The practical response is to compare the same packed shipment and included charges, not to assume either price must be correct.
Stage one asks only whether the supplier and order fit
The first message is not the final pricing document. Its job is to eliminate suppliers or product routes that cannot support the order.
Send a compact fit brief with six items:
- Product route: exact catalogue model, close standard model or genuinely custom design.
- Destination and channel: country plus retail, wholesale, marketplace or private-label use.
- Realistic quantity: sample need, first-order quantity by model and credible next quantity—not an unsupported forecast.
- Non-negotiable requirements: only the few features, materials, electrical details or packaging outcomes that decide fit.
- Customization boundary: logo, colour, artwork, manual, accessories or construction changes requested.
- Fit response: ask the supplier to reply
standard,possible with change,alternative proposedornot available, with the reason.
A budgetary range at this stage can help screen an impossible project, but label it non-comparable. Do not select the winner from it.
This stage answers the useful part of the objection raised in the customized-order discussion. A small test order with extensive development work may not fit every factory. Shortening the first brief does not remove requirements; it postpones the full quotation until both sides agree that the route is realistic.
Stage two turns every blank into a visible decision
Send the same versioned table to the shortlisted suppliers. For every requested line, require one of four responses: a price or value, included, excluded, or TBC with an owner and date. A blank cell is not acceptance.
| Quotation field | What the reply must identify | Why it changes the decision |
|---|---|---|
| Product identity | Supplier model, buyer SKU, revision and any proposed alternative | Stops a cheaper substitute from appearing as the same appliance |
| Quantity basis | Units per model, sample quantity and price-break quantities | Separates a first-order price from a different volume tier |
| Market version | Destination, voltage, frequency, plug and language set | Prevents one quote from pricing another electrical or artwork version |
| Included product scope | Materials or must-not-change features, accessories and spare items | Shows whether the sellable unit is actually the same |
| Packaging | Retail box type, manual, carton count, carton dimensions, gross/net weight and pallet assumption | Makes packing work and freight inputs visible before comparison |
| Documents and checks | Named document, applicable model/market, sample or inspection inclusion and stated gaps | Avoids the meaningless promise of “all certificates included” |
| Trade term | Incoterms rule, named port/place/point and Incoterms 2020 | Identifies the delivery, risk and cost boundary being priced |
| Timing | What starts the estimate, plus sample, artwork, production and dispatch assumptions | Stops two identical-looking lead times from starting on different dates |
| Commercial validity | Currency, payment terms, tooling or setup charges, exclusions and quote expiry | Shows what can change before an order is placed |
The U.S. International Trade Administration's pro-forma guidance independently lists the items, unit and extended prices, packed weights and dimensions, Incoterm and delivery point, payment terms, estimated shipping date and validity date. The World Bank's goods RFQ forms likewise separate description, quantity, unit, named destination, Incoterm and delivery period. A private buyer does not need to copy a public-procurement form; the useful principle is that each commercial variable gets its own field.
Incoterms cannot repair a missing product specification
The International Chamber of Commerce explains that Incoterms allocate specified obligations, risks and costs. They do not define the goods, payment method, breach remedies or the entire sales contract.
That creates two separate checks:
FOBorDDPalone is incomplete; add the named port, place or point andIncoterms 2020.- A complete trade term still does not say which motor, plug, carton, accessory or document is included.
Keep the product baseline and the delivery rule in adjacent columns. Do not let one stand in for the other.
Two COSONIC kettles show why “2L, 2000W” is not a quote line
The current public records for COSONIC CSK-8864 and COSONIC CSK-8804 both list a 2L capacity and 2000W input. That is where a generic description stops being useful.
| Published field | CSK-8864 | CSK-8804 |
|---|---|---|
| Electrical record | 220V, 50Hz | 220–240V, 50Hz |
| Units per carton | 16 | 12 |
| Carton volume | 0.157m³ | 0.096m³ |
| Gross carton weight | 16.7kg | 12.1kg |
| Approximate volume per unit | 0.0098m³ | 0.0080m³ |
| Approximate gross weight per unit | 1.04kg | 1.01kg |
These are not competing supplier quotations, and the table does not say which kettle is better or cheaper. It proves a narrower point using the current range: even products sharing the same headline capacity and wattage can carry different model, electrical and packing inputs. The RFQ must identify the exact model before a unit price becomes comparable.
The published records do not promise current availability, destination compliance, final documents, MOQ, lead time or freight. Confirm those fields for the order.
Compare only compliant rows, not entire PDF totals
Create one row per model and requested option. Preserve every proposed alternative on a separate row rather than overwriting the requested model.
Then use this order:
- Reject false matches: a different model, market version or packaging basis is not the same line.
- Resolve blanks: require
included,excludedor datedTBC; do not interpret silence. - Compare the same trade boundary: use the same named place and identify charges outside it.
- Only then compare price: keep compliant standard and customized options on separate rows.
Stop the comparison when a critical field remains blank, the proposed alternative is not identified, or the quote expiry arrives before the missing evidence can be confirmed. Ask for a revised quotation rather than editing a supplier's scope on the buyer's behalf.
Applying the method to a minMAX or COSONIC request
Start with the exact model links or a concise functional brief. In the RFQ form, state destination, channel, quantity per model, electrical configuration, branding and packaging scope. Ask the response to identify alternatives and exclusions against the same version.
That gives sales a practical basis to confirm what is currently available and what still requires model- and order-specific review. It does not imply one MOQ, document set, warranty, lead time or customization rule across the minMAX or COSONIC range.
Evidence limits
The community cases are self-reported and span different products, countries and order stages. Their dollar figures describe those orders only. They support the failure mechanism—missing scope makes price comparison unsafe—not a claim that most suppliers ignore RFQs or change freight.
Official export and procurement forms identify useful quotation fields, but they do not replace the buyer's contract, destination-country rules or qualified technical and legal review. The COSONIC data are a 6 September 2026 public-catalogue snapshot and must be reconfirmed for a live quotation.
Sources and evidence
- U.S. International Trade Administration: Pro Forma Invoice — official export-quotation fields including items, packed dimensions, Incoterm, delivery point and validity.
- International Chamber of Commerce: Incoterms 2020 Q&A — what Incoterms allocate, what they do not cover, and why the named place and edition matter.
- World Bank: Standard Procurement Document for Framework Agreements for Goods — a formal reference separating goods, quantity, destination, Incoterm and delivery period; not a mandatory private-order template.
- Reddit: Trouble with Alibaba Factories Quoting/RFQ — one established buyer's detailed but poorly answered customized-order RFQ, plus the small-order complexity counterpoint.
- Amazon Seller Forums: First time user — FOB vs. DDP cost — a 500-unit seller example with different shipping routes and totals.
- Reddit: Supplier doubled shipping cost right before dispatch — one current custom-order dispute with deposit, deadline, price change, refund outcome and freight-volatility counterpoint.
Importer questions
Should the first RFQ include every requirement?
Keep every non-negotiable requirement, but use a short fit stage before asking shortlisted suppliers for the full comparable quotation. The two stages prevent early overload without hiding order scope.
Can a supplier leave a field to be confirmed later?
Yes, if it is marked TBC with an owner, date and effect on price or timing. An unexplained blank must not be treated as included.
Does the lowest complete quotation win?
Not automatically. Completeness only makes comparison possible. The final decision still considers product fit, evidence, total landed cost, supplier performance and the buyer's risk tolerance.
