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Sourcing process

Sample to Bulk: A Realistic Clothing Timeline

A planning schedule for the whole route from a WWTop reference to delivery, not just the production line: verification, sampling, approvals, fabric, bulk, inspection, and freight.

Most sourcing delays are not caused by a slow sewing line. They are caused by a specification that was not finished, a fabric that was not booked, a comment that arrived after the sample was cut, or a deposit that cleared after the factory had filled its schedule.

The timeline below is a planning model for a first run of unbranded apparel. It assumes a reasonably clear brief, a factory with available capacity, and a buyer who can make decisions. Your project will differ. The point is to see the whole route and know which step is holding the calendar.

The planning window

From a frozen specification to goods delivered, a first run commonly takes 10–16 weeks by air and12–20 weeks by sea. That range includes verification, sampling, one revision round, bulk production, inspection, and freight. It is not a quote and it is not a promise.

The four dates that matter

  • Specification frozen: fabric, fit, measurements, colours, trims, and decoration agreed in writing.
  • Sample approved: the sample matches the approved measurement sheet and the buyer signs off.
  • Bulk ex-factory: production is complete and inspected, ready for pickup.
  • Delivered: goods clear destination customs and arrive at your address.

Week by week

Illustrative first-run timeline, from brief to delivery
StagePlanning windowWhat must be true to move on
Brief and scopeWeek 0–1Category, quantity, destination, target date, and compliance scope are clear.
Supplier verification and quoteWeek 1–2Identity, capacity, quality process, and payment account are checked; quote states MOQ, lead time, and exclusions.
Fabric and colour confirmationWeek 2–3Fabric is in stock or booked; colour is a stock shade or a lab dip is approved.
Sample production10–15 business days after specPattern, materials, and decoration instructions are with the sampling line.
Sample transit and review3–10 daysSample arrives, is measured flat, and is compared with the specification.
Revision round, if needed7–15 daysOne consolidated comment list, then a remake or correction.
Sample approval and purchase order2–5 daysSample signed off; quantity, price, Incoterm, and schedule written into the order.
Deposit and fabric booking3–7 daysDeposit clears; fabric is allocated to the order; production slot is confirmed.
Bulk production25–45 daysCutting, sewing, finishing, and packing complete; in-line checks passed.
Final inspection1–3 daysInspection is booked, findings are reported, and any rework is agreed.
Freight5–10 days air · 20–45 days seaGoods are packed, documents are correct, and the forwarder has space.
Destination clearance and delivery2–10 daysDuty and tax are handled; the consignee responds to any customs query.

Windows are planning ranges based on typical factory schedules. They are confirmed per project after fabric and capacity are checked.

The critical path

The critical path is the longest chain of dependent steps. Shortening a step that is not on it does not shorten the project. In a first run, the critical path usually looks like this:

Frozen spec → sample → approval → fabric booking → bulk → inspection → freight.

A fast sample does not help if the fabric is not booked. A fast bulk run does not help if the inspection is scheduled two weeks after production ends. Map the dependencies before you agree to a launch date, and keep a buffer at the point where you cannot control the next step: international freight and customs.

What causes delays

  • An unfinished specification. “Heavyweight” and “boxy” are not measurements. Every open question becomes a later email and a later approval.
  • A custom colour. Lab dips, approval rounds, and dye-lot booking add time. Stock colours are faster.
  • Trims and labels. A custom woven label, drawcord, or zip pull can have its own minimum and lead time.
  • Factory holidays. Chinese New Year, May Day, and National Day can close production and logistics for days or weeks. Confirm the calendar before you set a launch date.
  • Capacity, not willingness. A factory can accept an order and still schedule it behind confirmed work. Ask for the production slot in writing.
  • Artwork approvals. Print files, colour proofs, and placement approvals are often the slowest buyer-side step.
  • Payment clearing. A deposit that “has been sent” is not a deposit that has arrived. Confirm receipt before counting production days.
  • Failed inspection. Rework adds days and can affect the freight booking. Build in a small buffer after inspection.
  • Freight and customs. Space, port congestion, document errors, and destination queries can add time after the factory has finished.

Compressing safely

You can shorten a first run, but you cannot remove the decisions. Compress by removing rework, not by removing checks.

  • Use a stock fabric and a stock colour. This is the single biggest schedule lever for a first run.
  • Freeze the specification early. Collect fit, measurements, trims, and artwork before the sample is cut.
  • Send one consolidated comment list. Batch feedback instead of sending a new idea every day.
  • Approve digital proofs quickly. Slow artwork approval delays the print slot, not the sewing line.
  • Confirm the production slot before paying. Ask when the order will be cut, not just when it will be finished.
  • Book inspection and freight in parallel. Do not wait for production to end before looking for space.
  • Pay promptly and confirm receipt. Send the transfer, then ask the factory to confirm it has landed.

What not to compress: do not skip the sample, do not accept a verbal capacity promise, and do not switch to an unverified sub-supplier to save a week.

Deposits and approvals

Payment terms vary by factory and order. A common structure is a deposit at order confirmation and the balance before shipment, but the percentages and timing are commercial terms, not industry constants. The written quote should state the amounts, the currency, the fees, and what happens if the schedule changes.

Release each payment against a defined milestone: an approved sample, a confirmed production slot, an inspection report, or a set of shipping documents. A payment schedule that is tied to nothing but a calendar date gives you no leverage when something slips.

Confirm the account name and the invoice before paying. A request to change bank details should be verified through a second channel you already trust. See the12-point supplier check for the payment-account questions.

Inspection timing

Inspection is most useful when the run is complete and packed, but before the balance is paid and before the goods leave the factory. An inspector needs the approved sample, the measurement sheet, the order quantities, and the packing requirements. Without those documents, the inspection becomes an opinion.

Agree the sampling plan in advance: how many cartons or pieces will be checked, at what AQL, and what counts as a critical defect. Decide who pays for rework and who bears the delay. A passed inspection is not a warranty, but it is a documented decision point.

Freight and delivery

Freight is where a good production run can still lose money. Ask for the Incoterm, the chargeable weight, the estimated transit time, the insurance, and the destination charges in writing. Air freight is faster and more expensive per kilogram; sea freight is cheaper and less predictable. For a first small run, compare the total landed cost rather than the freight quote alone.

Check the commercial invoice, packing list, and any certificate your destination requires before the goods ship. Correct documents prevent a customs query; a missing certificate can turn a two-week delay into a month.

The realistic launch date is the date the goods are in your hands and checked, not the date the factory says “production finished”. Plan backwards from that date and keep the buffer visible.

FAQ

How long does bulk production take after a sample is approved?

A realistic planning range is 25–45 days after sample approval, deposit, and fabric booking, before freight. Repeat orders in a stock fabric can be faster. A new custom colour, a new print, or a factory holiday can make it longer. The written quote should state the window for your run.

Can I skip the sample to save time?

You can, but you are accepting an unknown. A sample catches fit, measurement, fabric, trim, and decoration problems while they are still cheap to fix. If time is critical, use a stock product or a stock fabric and sample only the decoration rather than skipping verification entirely.

Does a higher deposit speed up production?

A deposit starts the order; it does not create capacity. Factories schedule production around confirmed materials and available lines. Paying earlier can secure a slot, but a promise to “rush” without a written schedule and capacity check is not a plan.

When should I book inspection?

Book it when production is scheduled, not when it is finished. The inspector needs to be available at the point where the run is complete and packed. Confirm what the inspection covers, the sampling standard, and where it happens before you pay for it.

What Incoterm should the quote use?

The quote should state one clearly — for example EXW, FOB, CIF, or DDP — and say what it includes. The cheapest unit price is not the lowest landed cost. Ask for the freight, insurance, duty, and destination charges separately so you can compare like with like.

What happens if the bulk does not match the sample?

The approved sample and measurement sheet are the reference. Raise a discrepancy in writing with photos and measurements before the balance is paid or the goods leave. The remedy depends on the written agreement: rework, replacement, a price adjustment, or rejection. This is why the sample approval and inspection steps exist.

Koala Yupoo editorial team

We write from the sourcing floor: supplier checks, sample approvals, production timelines, and the paperwork buyers actually need. This guide is reviewed against our 12-point supplier standard and updated when platform behaviour or factory practice changes.

Next step

A good guide is not a supplier.

When you are ready to check a real factory, send the category, quantity, and destination. We will tell you what can be verified before money moves.

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