Factory Selection Guide

How to choose a menstrual cup OEM factory: a procurement step-by-step guide.

Choosing the right factory determines product quality, regulatory readiness, and brand reputation. This guide walks procurement teams through a seven-step evaluation covering material traceability, quality systems, production environment, customization capability, packaging support, QC checkpoints, and sample validation.

Last reviewed: July 27, 2026

YUJI factory lab environment for menstrual cup manufacturing evaluation

Factory Selection Guide

Evaluate factories on material traceability, certification scope, production environment, QC documentation, and sample quality — in that order. Skipping any step increases procurement risk. YUJI recommends completing all seven evaluation steps before issuing a purchase order.

Procurement Process

Step 1: Verify material traceability for medical-grade silicone.

The foundation of a safe menstrual cup is the liquid silicone rubber (LSR) it is molded from. Request material specification sheets and confirm the factory sources from FDA-recognized or ISO-certified compounders. Ask for biocompatibility test records matching the cup — ISO 10993 or USP Class VI — and the factory's material change control procedure. Without documented material traceability, regulatory submissions across target markets cannot be completed reliably.

Step 2: Review quality system certification scope.

Request the factory's ISO 13485 certificate and verify the scope explicitly mentions menstrual cup or medical silicone product manufacturing. Check FDA establishment registration status for US market entry, and review CE technical file readiness for EU distribution. Certificates must list the correct legal entity and physical manufacturing address. Cross-reference the certificate issue and expiry dates against your production timeline.

Step 3: Assess production environment and cleanroom standards.

Menstrual cup molding and packaging should occur in a controlled environment. Request cleanroom classification evidence (ISO Class 7 or 8 is typical for silicone medical devices), air quality monitoring records, and material handling procedures. Confirm that demolding, visual inspection, and packaging steps prevent cross-contamination. A factory tour — physical or video — reveals environmental control gaps that documents cannot show.

Step 4: Evaluate size range, hardness, and customization capability.

Verify the factory offers published S/M/L dimensions with capacity references, multiple shore hardness options (typically 30-50 Shore A), stem style choices, color matching service, and logo application methods. Request a customization menu or existing mold catalog. Factories with limited size or hardness options may not accommodate your target market's anatomical range.

Step 5: Review packaging and labeling support.

Packaging affects user perception, retail readiness, and regulatory compliance. Assess whether the factory can provide or source pouches, retail boxes, instruction leaflets, starter kits, and cartons. Request packaging examples from current private-label clients and confirm the artwork approval process, revision round limits, and lead time impact of custom packaging.

Step 6: Inspect QC checkpoints and batch release criteria.

Request documentation of in-process inspection frequency, dimensional check criteria with tolerance ranges, visual defect classification standards, sterilization validation records (if applicable), and final QC release procedures. A factory that cannot share anonymized QC records from a recent production batch is unlikely to deliver consistent quality at scale.

Step 7: Confirm sample process and evaluation criteria.

Ask about sample lead time, whether sample cost is deductible from production, the number of revision rounds included, and how sample approval is documented. Evaluate structural samples for surface finish, seam line quality, dimensional accuracy, hardness consistency, and odor. Sample quality is the single best predictor of mass production quality.

Factory evaluation checklist for procurement teams.

Checklist item	What to request	Acceptable evidence
Material traceability	LSR spec sheet, biocompatibility records	ISO 10993 or USP Class VI report
Quality certification	ISO 13485, FDA, CE status	Valid certificate with correct scope
Cleanroom environment	Classification evidence, monitoring logs	ISO Class 7/8 certification
Size and hardness range	Published dimensions and shore values	Size chart with capacity data
Packaging capability	Pouch, box, leaflet examples	Client packaging samples
QC documentation	In-process and final inspection records	Batch QC report sample
Sample process	Lead time, cost, revision policy	Written sample agreement

Start your factory evaluation with YUJI.

YUJI's menstrual cup OEM program supports buyers through each evaluation step with transparent documentation, published specifications, responsive sampling, and clear QC records. Send your project requirements for a comparable factory evaluation package.

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Buyer FAQ

Questions about menstrual cup factory evaluation.

What is the most important factor when choosing a menstrual cup OEM factory?

Medical-grade silicone material traceability is the most critical factor. Without documented LSR sourcing from certified compounders and available biocompatibility records, every other factory capability carries supply chain and regulatory risk.

Should I visit the factory before placing a menstrual cup OEM order?

Factory visits are recommended for first-time buyers planning volume orders. If a visit is not possible, request a video walkthrough of the injection molding area, QC inspection station, and packaging room, plus live QC records from a recent production batch.

What sample quantities should I request for evaluation?

Request 5-10 samples per size for dimensional checks, visual inspection, and user testing. If color matching is required, request color chip samples alongside structural samples. Confirm whether sample cost is deductible from the first production order.

How long does the factory evaluation process take?

A thorough factory evaluation typically takes 2-4 weeks including document review, sample shipment and testing, QC record analysis, and packaging capability assessment. Rushing this process increases the risk of specification mismatches during mass production.

What red flags should I watch for in a menstrual cup factory audit?

Red flags include inability to share material certificates, unwillingness to provide QC records from a recent batch, vague answers about cleanroom standards, no published size or capacity data, and pressure to approve artwork without sample confirmation.

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