Custom Eyewear Frames OEM 2026: Quality Verification, MOQ & Factory Standards | SCM Group HK

China's eyewear manufacturing hub—centered in Wenzhou, Shenzhen, and Danyang—supplies over 60% of the world's optical and sunglass frames in 2026, offering an unmatched combination of material diversity, customization capability, and cost efficiency. For international buyers considering OEM eyewear frame production, understanding quality verification protocols, realistic minimum order quantities (MOQ), and factory certification standards is essential to avoid costly surprises. The three dominant frame materials each have distinct quality benchmarks: acetate frames require HPLC-grade cellulose acetate with moisture content below 1.5%, verified through spectrophotometry for color consistency; titanium frames (pure Ti or β-Ti alloy) demand density testing ≥4.50 g/cm³ and salt spray corrosion resistance ≥200 hours per ISO 9227; and TR90 (polyamide) frames need flexural modulus ≥800 MPa and Izod impact resistance ≥150 J/m to ensure durability across temperature extremes. SCM Group's eyewear division sources from audited factories meeting EN ISO 12870, ANSI Z80.1, and major EU import compliance requirements.

Eyewear OEM manufacturing — quality verification workshop in China

Quality Verification Framework for OEM Eyewear

A robust quality verification process for OEM eyewear frames covers four stages: pre-production, in-process, pre-shipment, and laboratory testing. At the pre-production stage, buyers should request a Golden Sample along with material Certificate of Analysis (COA) confirming acetate grade, titanium alloy composition, or TR90 polymer specification. In-process inspection (typically at 30% and 70% production completion) checks frame dimensions against approved drawings with tolerance ±0.1–0.3mm on hinge positions and temple length. Pre-shipment inspection per AQL 2.5 covers visual defects, hinge torque (optimal: 0.8–1.2 N·m for metal hinges), nose pad alignment (≤1mm deviation), and coating adhesion via cross-cut tape test per ISO 2409 (rated 0–1). Laboratory testing by accredited third parties (SGS, Intertek, Bureau Veritas) verifies EU EN ISO 12870 compliance including mechanical resistance, flammability, and nickel release—mandatory for CE-marked optical frames sold in Europe.

Realistic MOQ Guide by Material and Complexity

Understanding MOQ ranges helps buyers plan OEM campaigns effectively. Standard acetate frames (3–4 color options, standard hinge, basic polarized lens compatibility): MOQ is typically 200–500 pieces per style. Custom-shaped acetate with hand-polishing and laminated patterns: MOQ rises to 500–1000 pieces due to custom mold setup costs of USD 800–1500 per style. Pure titanium frames with custom etching or PVD coating: MOQ is generally 100–300 pieces, but with longer lead times of 75–90 working days. TR90 injection-molded frames offer the lowest MOQ among injection options (100–200 pieces), with tooling amortized over higher volumes. For private label programs under 100 pieces per style, some specialized factories accept flexible MOQs with a per-piece premium of 15–25%, suitable for boutique optical brands testing new designs before full production commitment.

Material quality inspection — acetate, titanium, and TR90 eyewear frames

Key Factory Certifications to Verify

Before placing an OEM order, verify these factory credentials: ISO 9001:2015 quality management certificate (current); BSCI or Sedex social compliance audit (required for EU/US brand customers); CE self-declaration for EN ISO 12870 compliance; FDA registration for frames exported to the US market; and REACH/RoHS compliance declaration covering harmful substances including nickel, lead, and phthalates. Additionally, for premium segments, verify the factory holds SGS or Intertek approved lab test reports for the specific materials used in your products. SCM Group pre-screens all eyewear factory partners against these requirements and maintains updated audit records, reducing buyer due diligence time from weeks to days—with full procurement support from our Shenzhen and Hong Kong offices.

Contact SCM Group

SCM Group HK provides full-service eyewear OEM sourcing from Shenzhen and Hong Kong, covering factory selection, sample development, quality inspection, and export documentation to your destination country. Start your private label eyewear program with confidence. 📧 Email: scmgroup@scmgroup.online 📱 WhatsApp: +86-198-7525-3287