Eyewear Frame Quality Verification 2026: MOQ Guidelines for Custom OEM Acetate & TR90 Frames | SCM Group HK

For global eyewear brands and optical retailers sourcing custom OEM frames from China in 2026, quality verification and MOQ (minimum order quantity) planning are the two most critical commercial decisions. China manufactures approximately 70% of the world's eyewear frames, with Wenzhou and Shenzhen remaining dominant production hubs for acetate, TR90, and titanium frames. Quality verification standards reference EN ISO 12870 (European optical standard), ANSI Z80.1 (US standard), and GB 14214 (Chinese national standard), covering mechanical durability, corrosion resistance, and flammability. A proper QC process includes material specification conformance testing, dimensional inspection against approved 3D drawings, surface finish assessment (color consistency delta E below 1.5), hinge torque testing (350 g-cm), and salt-spray corrosion testing (48 hours minimum). In 2026, demand for sustainable materials adds GRS (Global Recycled Standard) certification verification to the standard QC checklist.

Material-Specific Quality Verification Protocols

Each frame material requires a tailored quality verification approach. For acetate frames, primary QC checks cover color block matching against Pantone references, acetate thickness uniformity (plus or minus 0.1mm tolerance), and barrel hinge alignment. TR90 injection frames require Shore D hardness testing (55-65 range), rubber-feel surface coating adhesion testing per ISO 2409, and 180-degree flex spring-back verification. For titanium frames, XRF material composition testing should verify titanium content above 80%, with corrosion resistance verified via 96-hour salt spray per ISO 9227. Metal frames must comply with EU Nickel Directive EC 1907/2006.

MOQ Planning by Frame Category

MOQ requirements in China's eyewear OEM supply chain vary significantly by frame type. For stock acetate and TR90 frames with custom logo only, MOQ typically starts from 300 pieces per model across 3 color options. Full custom design with new tooling requires MOQ of 400-600 pieces, with mold costs ranging from USD 800-2,500. Titanium frames carry higher MOQ at 500-800 pieces. SCM Group HK arranges pre-production prototypes (2-5 pieces) for design validation with sample lead times of 15-20 working days. Volume pricing activates at 1,000+ pieces per run, with 15-20% cost reduction.

Production Timeline and Pre-Shipment Inspection

Acetate custom frames require 45-60 working days from design approval, with mass production lead times of 90-110 working days. TR90 frames are faster at 30-45 working days for reorders. Pre-shipment inspection should cover AQL 2.5 sampling per ISO 2859-1. SCM Group HK coordinates third-party PSI by SGS, Bureau Veritas, or Intertek upon request, with inspection reports delivered within 2 business days.

Contact SCM Group

Looking for reliable OEM eyewear frame manufacturing with strict quality control and flexible MOQ options? SCM Group HK connects you directly with verified Wenzhou and Shenzhen factories. Contact us: Email: scmgroup@scmgroup.online | WhatsApp: +86-198-7525-3287