Eyewear Frames OEM 2026: Quality Inspection Standards & MOQ Guide for Private Label Buyers | SCM Group HK

China's eyewear manufacturing sector produces over 600 million frames annually, with the Wenzhou and Shenzhen clusters supplying OEM frames to brands across Europe, North America, and Southeast Asia. For private label buyers in 2026, two questions dominate every sourcing conversation: What quality standards apply, and what is the realistic minimum order quantity? Quality standards for optical frames are governed by EN ISO 12870 in Europe and ANSI Z80.1 in the USA, covering mechanical resistance, corrosion resistance, and dimensional tolerances. Standard MOQ for OEM custom frames runs 300 pieces per style in 1–3 color options, with some suppliers offering sampling from 10–50 pieces for pre-production validation. Material choice — acetate, titanium, TR90, or stainless steel — directly influences both applicable quality benchmarks and MOQ flexibility for new buyers.

Eyewear frame production line — quality inspection at every stage. SCM Group HK

Quality Inspection Framework for Optical Frames

A comprehensive quality inspection for eyewear frames covers four stages: incoming raw material inspection (acetate sheet thickness ±0.05 mm, titanium grade verification per ASTM B265), prototype and pattern approval, in-process production monitoring (CNC machining tolerances, hinge alignment within ±0.3 mm), and pre-shipment inspection per AQL 2.5 Level II. Key defect categories include surface finish (scratches, sink marks, color inconsistency), structural integrity (hinge torque 0.5–1.2 N·m per EN ISO 12870), and nose pad alignment. SCM Group conducts third-party inspection or factory QC audits on behalf of buyers to ensure full conformance before shipment.

MOQ Strategies for Private Label Buyers

MOQ requirements vary significantly by material and customization level. Stock frame programs — where buyers apply their own logo or branding only — often start from 100–150 pieces per model. Full OEM programs with custom shape, custom temple design, and custom hinges typically require 300–500 pieces per style. Acetate frames have higher MOQ than metal frames due to minimum sheet cutting waste inherent in CNC milling. Titanium frames carry the highest per-unit cost but offer the most flexible MOQ, often 200 pieces, due to smaller material waste. SCM Group negotiates MOQ flexibility with manufacturing partners for qualified buyers with established procurement programs.

Precision quality inspection on acetate eyewear frames — SCM Group HK OEM service

Material Selection Impact on Quality and Lead Time

Acetate frames offer the widest color and pattern range — Mazzucchelli and premium Chinese acetate grades both available — with OEM production lead times of 45–60 days. Titanium frames are prized for ultra-light weight (typically 8–14g) and hypoallergenic properties, with 50–70 day lead times. TR90 frames dominate the sports and kids segment with injection molding enabling faster 30–45 day lead times and lower MOQ. Stainless steel remains the most cost-effective metal option for entry-level private label programs. SCM Group advises buyers on material selection based on target retail price, market positioning, and certification requirements in the destination market.

Contact SCM Group

Planning a private label eyewear program and need reliable OEM manufacturing in China? SCM Group HK specializes in custom eyewear frame sourcing with full quality inspection, competitive MOQ negotiation, and end-to-end support. Contact us at scmgroup@scmgroup.online or WhatsApp +86-198-7525-3287 to discuss your frame requirements and receive a sourcing proposal.