Buying process guide
Aluminum Window RFQ Checklist for China Suppliers
A repeatable RFQ process for aluminum windows: one drawing, one destination requirement, one quote format and a written evidence gate.
Decision summary. A useful RFQ is a controlled document, not a chat message. Fix the drawing, units, quantity, destination requirement and quote inclusions, then require every supplier to answer in the same fields.
Research Method and Process Scope
This guide defines the inputs and outputs of an RFQ round for a small overseas buyer. It is based on the structure of public supplier pages and general procurement practice, not on a statistically representative sample of quotes. The point is to make supplier answers comparable, not to prescribe a single contract format.
A non-comparison guide uses this section to define its process scope. The process below assumes the buyer already knows the product category and has a dimension schedule or architectural drawing.
Prerequisites.
- Dimension schedule or architectural drawing
- Quantity by type and size
- Destination and required evidence
- Glass, hardware and finish requirements
- Target Incoterm and delivery window
Observation window: 10 November 2026 to 10 November 2026 · Platforms: Alibaba.com, Made-in-China.com, Public procurement references · Sample size: 0.
Inputs, Outputs and Decision Gates
Every RFQ answer should be attributable to one drawing revision and one destination. If a supplier quotes a different size, glass package or Incoterm, the answer belongs in a separate column, not in the same average.
What You Need Before You Start
Collect the dimension schedule, elevations, opening directions, quantity by type, glass and hardware requirements, finish reference, destination, required evidence and target delivery window. Mark anything unknown as unknown; do not let the supplier choose a default silently.
What Each Step Should Produce
Each step should leave a record: the issued RFQ revision, the supplier's written answer, a normalized comparison sheet, the evidence pack and the approved drawing. A verbal answer or a chat screenshot without the drawing revision is not a controlled record.
Records to Keep
Keep the RFQ, drawings, revisions, quotations, certificates, samples, inspection reports and shipping documents together. When a dispute arises, the record that matters is the one both parties can identify and date.
A Practical Buying Workflow
The workflow below is deliberately sequential. Do not move to price negotiation before the specification is stable, and do not release a deposit before the drawing is approved.
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Issue one controlled RFQ
Send the same drawing revision, schedule, destination requirement and question set to every candidate on the same day.
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Normalize the quotations
Convert prices to one currency and unit, separate material from freight and services, and list every exclusion instead of averaging differences away.
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Check the evidence before negotiating
Request the model-specific report, mill or finish certificate, production address and hardware schedule for the exact configuration being quoted.
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Approve the drawing and sample
Approve a dimensioned drawing and, where practical, a paid sample or first article before mass production.
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Inspect and arrange shipment
Book the inspection against the approved drawing, resolve open defects, then confirm packing and loading evidence.
Common Failure Points and Prevention
Most RFQ failures are not exotic. They come from missing units, different Incoterms, vague glass descriptions and suppliers answering a question that was not asked. Keep the missing values visible instead of filling them with assumptions.
Which Route Fits Your Order?
The right RFQ route depends on whether you are buying a sample, a repeat standard product or a custom assembly. The table is a starting point, not a rule.
| Order situation | What to do first | Evidence before the next commitment |
|---|---|---|
| Sample or prototype | Freeze one specification and ask for a paid sample with a packing description. | Sample inspection record and a written statement of what the sample does and does not represent. |
| Standard repeat order | Compare at least two quotations on the same unit, quantity and Incoterm. | Model-specific report, finish sample and a signed drawing. |
| Custom production | Approve drawings and the inspection plan before the deposit. | First-article result, agreed acceptance criteria and a pre-shipment inspection booking. |
Sources, Methodology and Research Limits
This page separates published source material from editorial recommendations. Supplier descriptions are treated as claims, not as verified capabilities. The research record below lists what was checked for Aluminum Window RFQ.
Claims used on this page
analysisverifiedA listing price is not a comparable quotation unless the unit, specification, quantity, Incoterm and exclusions are stated.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — Customer Reviews price line and FAQ
Limits: A methodological rule for this site, not a statement about any supplier's pricing policy; A quotation can still omit costs that appear later in freight, duties or installation.
analysisverifiedMOQ figures cannot be compared unless the unit (piece, set, m², kg or tonne) and the model or configuration scope are the same.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — FAQ, minimum order quantity answer
WANJIA high-end door and window product guide (PDF) — Manufacturer product guide reference
Limits: The rule does not imply that apparently equal MOQ figures are commercially equivalent; Sampling and custom tooling can change the effective minimum even when a headline MOQ exists.
analysisverifiedA platform verification label describes checks performed by or for the platform; it does not establish that a particular order, model or glazing configuration meets a destination requirement.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — On-site Verification panel and product listings
Limits: This is an inference from the structure of the reviewed profile, not a legal interpretation of platform terms; Platform rules and badge criteria were not separately audited for this edition.
Sources
- Forge Windows and Doors (FoShan) Co., Ltd. supplier profile. Alibaba.com. Platform page. Accessed 10 November 2026.
What it supports: Supplier self-description, platform verification labels, product listing text, FAQ answers and one customer-review price entry, observed on the access date.
Limits: Company statistics and FAQ answers are supplier-provided or platform-collected and were not independently audited for this edition; A platform badge does not establish that a specific order will meet destination performance requirements. - WANJIA high-end door and window product guide (PDF). wanjiadw.com. Manufacturer publication. Accessed 10 November 2026.
What it supports: A manufacturer-published catalogue URL listed in the project architecture as an example of product vocabulary and self-described product categories.
Limits: The PDF could not be machine-read during this build, so its detailed claims were not used; Catalogue descriptions are self-published and do not verify production capability.
Research limits
- No supplier quotations were collected or compared for this edition.
- No template has been tested with a live procurement team.
- Destination-specific requirements must be confirmed locally.
- The workflow has not been tested with a live order in this edition.
- No supplier quotation was used to validate the comparison fields.
Exclusions: Live RFQ test.; Contract review.; Destination code advice..