Eyewear Frame OEM Quality Verification 2026: MOQ Requirements, AQL Standards & Material Guide | SCM Group HK

Sourcing custom eyewear frames from China in 2026 requires buyers to navigate MOQ structures, material specifications, and quality verification protocols that vary significantly across factory tiers. The Chinese eyewear manufacturing ecosystem—concentrated in Wenzhou, Shenzhen, and Danyang—produces acetate, titanium, TR90, and mixed-material frames across price points from $3 to $45 per unit (FOB Shenzhen). With global private-label eyewear demand growing and brand buyers diversifying supply chains, understanding how to evaluate OEM factories through their quality verification systems, AQL sampling levels, and MOQ flexibility has become a critical procurement competency. TR90 injection-molded frames typically require 300+ pcs per SKU for economic tooling recovery, while acetate CNC production can be viable from as low as 50–100 pcs, offering significant advantages for small-batch brand development.

MOQ Structures by Material and Production Method

MOQ requirements in Chinese eyewear OEM vary by material and manufacturing process. TR90 injection-molded frames require 300 pcs per color per style, driven by tooling amortization costs. Handmade acetate frames can start from 100–200 pcs per style using CNC block cutting with no dedicated tooling required. Beta-titanium frames require 200–500 pcs per style due to laser cutting and forming setup costs. Stainless steel stamped frames require approximately 300 pcs per style for stamping die recovery. Buyers with high-mix, low-volume needs should prioritize factories with in-house CNC acetate capacity and no minimum tooling charges, which also offer the fastest sample turnaround at 7–10 days versus 15–25 days for injection-molded TR90.

AQL Inspection Standards and Quality Verification Process

Industry-standard AQL 2.5 with Level II sampling applies for most commercial eyewear frame shipments. Critical defects (zero tolerance): sharp edges, structural cracks, broken hinges, incorrect lens compatibility. Major defects (AQL 2.5): color variation exceeding 1.5 ΔE, dimension deviation over 0.3mm, surface scratches longer than 5mm. Minor defects (AQL 4.0): minor cosmetic blemishes in non-visible zones. Factory quality verification includes incoming material inspection, in-process dimensional checks per spec sheet, 180-degree hinge flex test (minimum 500 cycles), salt spray corrosion test (72 hours for metal components), and final pre-shipment inspection with FQC report. Third-party inspection via SGS or Intertek is recommended for orders exceeding 500 pcs.

Material Comparison: TR90, Acetate, and Titanium

In 2026, three materials dominate OEM eyewear frame procurement. TR90 polyamide is optimal for sports and children's frames—its flex-memory properties and AQL inspection focus on parting line flash and color consistency. Italian or Japanese acetate positions frames at premium retail, with slower production cycles (3–5 days vs 1–2 days for TR90) and requirements for careful humidity-controlled storage. Beta-titanium is the lightest metal option at 4.5 g/cm³ density, hypoallergenic and corrosion-resistant, commanding premium pricing of $15–40 per unit FOB. SCM Group HK manages eyewear frame OEM sourcing from verified Wenzhou and Shenzhen factories, handling design development, sampling, quality control coordination, and consolidation of multi-category orders.

Contact SCM Group

For eyewear frame OEM sourcing, custom design development, or quality inspection support, contact SCM Group HK. We specialize in connecting international eyewear brands with verified Chinese OEM manufacturers for acetate, TR90, titanium, and mixed-material frames. Email: scmgroup@scmgroup.online | WhatsApp: +86-198-7525-3287