This white paper analyzes real market complaint data collected from 382 optical retailers across China, representing 10.15% of Danyang IU Eyewear’s cooperating stores. The findings reveal that IU Eyewear’s quality complaint rate for mid-range frames (199–499 RMB) is only 2.13%, delivering a 78.6% improvement compared to the industry average (8.51%). Paint/coating issues remain the most common complaint category yet are still 70% lower than peer levels, while mechanical problems such as hinge instability and frame deformation show significantly superior performance. The study follows ISO 20252, ISO 2409:2020, and GB/T 9286—2021 standards, validated through third-party audits. For global distributors, the data demonstrates reduced after-sales risk, stronger competitiveness in mid-range markets, and verifiable proof of consistent quality manufacturing by Danyang IU Eyewear.

If you’ve ever wondered, are titanium glasses frames worth it, the short answer is yes — absolutely. Titanium eyewear is one of the most durable, lightweight, and stylish options in today’s optical industry.

Are TR90 frames good for daily wear? Yes! TR90 eyewear is lightweight, flexible, durable, and comes in a wide range of stylish colors. Perfect for kids, teens, and adults.

Acetate glasses frames, also known as cellulose acetate eyewear, are made from a high-quality plant-based material derived from cotton and wood fibers. ​1. What Are Acetate Frames and Why Are They So Popular? 2. Types of Plastic Frames and Their Differences 3. How Acetate Sheet Quality Affects the Price 4. Other Factors That Influence the Cost of Acetate Frames 5. Acetate Frames vs Other Frame Materials: A Price Comparison 6. FAQ About Acetate Eyewear

In today’s eyewear industry, customization is more than a trend — it’s a statement of brand identity and customer understanding. 1. Understanding the Structure of Optical Frames 2. Planning Your Optical Frame Design Concept 3. Defining Your Optical Frame Requirements 4. Turning Your Optical Frame Design into Reality 5. Manufacturing the Glasses Frames 6. Quality Inspection and Testing 7. Showcasing Your Optical Frames

What Type of Nose Pads Should I Wear? — A Complete Guide for Optical UsersWhen it comes to wearing glasses comfortably, one small detail often makes a big difference — the nose pads. 1. Why Choosing the Right Nose Pads Matters 2. What Are Nose Pads and What Do They Do? 3. Common Nose Pad Materials and Their Features 4. Types and Shapes of Nose Pads 5. How to Choose the Right Nose Pads for Different Users 6. How to Adjust or Replace Nose Pads 7. Common Nose Pad FAQs 8. Expert Tips for Optical Retailers and Distributors 9. Conclusion: Find the Perfect Fit for Every Face