Tiempo estimado de lectura: ~4 minutos
Choosing a jeans manufacturer means verifying technical capability, quality control, and transparency before a deposit. Fabric weight, wash ambition, and volume decide the right factory type. Always request physical samples, a sealed pre-production (PP) reference, and a clear sampling timeline.
Tabla de especificaciones
| Specification | What to Confirm | Por qué es importante |
|---|---|---|
| Manufacturer type | Factory (cut-sew-finish), mill-with-garment-line, or agent? | Determines MOQ, price markup, and whether you have direct quality control |
| Denim weight capability | 7–16 oz+; above 16 oz needs specific needles and seam strength | A lightweight blouse factory cannot sew 14 oz denim reliably |
| Recuperación por estiramiento | In-line stretch-and-recovery testing; shrink-before-sew protocol | Prevents fit and return issues on stretch jeans |
| In-house wash | Laundry under the same roof or outsourced? | Outsourcing adds lead time, shade risk, and minimum batch charges |
| Cantidad mínima de pedido | Per style, per colour, per fabric; does stock fabric lower it? | Secure a realistic number early; fabric mill minimums can force higher garment MOQs |
| Sample policy | Proto, fit, and PP sample lead times; revision fees; shade band availability | A cheap sample that can’t be repeated in bulk is worthless |
Sampling and Pre-Shipment Checks
- Fabric swatch & lab-dip – Obtain hand-feel swatches. For custom colours, request a set of three shade submissions with a physical shade band reference.
- Fit sample – Made in a base size using similar fabric. Mark up and photograph.
- PP sample – On bulk fabric with approved wash, trims, and labels. This is the sealed bulk reference; measure every POM.
- Bulk inspection – Agree AQL (2.5–4.0 typical). Check shrinkage, colourfastness (crocking), seam strength, and hardware. Pull a few pieces from the first wash lot to cross-check against the PP sample.
Two most common bulk failures: shade drift across wash lots and excessive post-launder shrinkage. Both are preventable with a pre-wash shrinkage report and post-wash measurement of a random bulk piece before shipment.
Common Mistakes
- Assuming a trading company is a factory – ask for factory name, floor photos, and references.
- Sending a used reference garment without a graded spec sheet.
- Approving samples based solely on photos – indigo undertone and hand feel can’t be judged accurately on a screen.
- Changing fabric after PP sample seal – resets the entire sample loop.
- Ignoring crocking – demand wet/dry crocking test results, especially on dark indigo/black.
Lista de verificación para obtener una cotización rápida
- Fabric weight, composition, weave (attach swatch photo if available)
- Garment type and front/back flat sketch
- Size range and unit breakdown
- Wash reference image and short description
- Trim list: button, rivet, zipper (YKK/generic), patch/label
- Target ex-factory or FOB price and annual volume
- Lead time and incoterms
- Certification needs (OEKO-TEX, GOTS, etc.)
Supplier Screening Questions
- Are you a factory with your own cut-sew-finish lines? Share recent production floor photos.
- What denim weights and stretch types has your team produced most often in the last year?
- Do you have an in-house laundry? If not, how do you manage shade consistency across batches?
- What is your MOQ per style, and does it change with stock vs. custom fabric?
- Provide a sample timeline for proto, fit, and PP sample, including revision loops.
- Which pre-shipment tests do you perform (shrinkage, colourfastness, seam strength, zip fatigue)? Will you share reports?
- How do you manage shade variation – shade band, and what’s your AQL limit for colour difference?
Preguntas frecuentes
How can a small brand find a reliable manufacturer?
Start with fabric samples and check references. Place a small sample order first. Only move to bulk once the PP sample exactly matches your standard.
What denim is best for a first collection?
12–14 oz is practical – heavy enough to hold shape without making sewing and washing difficult. Match the choice to your desired fit (rigid, comfort stretch, high stretch) and retail price.
How do I verify a factory vs. a middleman?
Request the factory name, a live video walk-through, and multiple production references.
What is a realistic MOQ?
With stock fabric, you can order a few hundred pieces per style across a few sizes. Custom fabric like a special colour or weave can force the mill to run 3,000–4,000 metres, which inflates the garment MOQ. Always ask for fabric and garment minimums separately.
How to prevent shade problems in bulk?
Use a shade band process, and have the factory pull the first bulk pieces from the laundry to compare against your sealed PP sample before processing the whole lot.
结论
A disciplined preparation—clear fabric specs, a sealed PP sample, and a transparent wash approval—protects your brand from the most common bulk failures. Use this checklist to qualify manufacturers, and never skip the physical PP sample review. A partner that communicates openly and consistently reproduces your approved shade and fit is worth building a long-term supply chain around.
For custom denim development, contact LYDENIM at malone@lydenim.com.
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