OEM/ODM TR90 Folding Sunglasses
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TR90 Folding Sunglasses Manufacturer

These sunglasses are crafted from TR90, an advanced thermoplastic polyamide known for being flexible, ultra-lightweight, and resilient—ideal for everyday wear and dynamic pursuits.

Key Features
Lightweight Comfort
The low-density TR90 material ensures minimal pressure on the nose and ears—offering extended comfort even during prolonged wear. 

Superior Durability & Flexibility
TR90 frames excel in strength and resilience, able to bend, flex, and absorb impacts without deformation or breakage—making them reliable companions for active use. 

Compact & Portable Design
Engineered with multiple folding points, these sunglasses collapse into a compact form—easy to stash in a bag, glove compartment, or the included protective case—excellent for travel or on-the-go convenience.

Effective Polarized Lenses
Featuring polarized lenses that effectively filter out glare from reflective surfaces like water, roads, or glass—enhancing visual clarity and reducing eye strain, especially useful for driving or outdoor activities. 

Reliable UV Protection
Most models offer UV400 protection, blocking over 99% of harmful UVA and UVB rays—safeguarding your eyes during prolonged outdoor use. 

Stylish & Customizable Options
Thanks to TR90’s impressive moldability, these sunglasses come in a wide range of styles, colors, and designs to suit various fashion preferences.

CATEGORY
Zhejiang Zhansheng Glasses Co., Ltd.
Company
Zhejiang Zhansheng Glasses Co., Ltd.

Zhejiang Zhansheng Glasses Co., Ltd. was established in Duqiao, Linhai, Taizhou in 2004. After more than two decades of development, it has adhered to the development philosophy of "quality as the foundation and innovation as the core", establishing an industry benchmark in the production of glasses.

The company has a 12,000-square-meter site and gathers 300 employees, achieving an annual production capacity of over 4 million pairs. Particularly, it has core competitiveness in the manufacturing of metal and TR90, sheet sunglasses, and anti-blue light glasses. The enterprise is equipped with a top-notch R&D team, completing hundreds of original product design iterations annually. It provides one-on-one customized services for its clients. Meanwhile, the factory warehouse reserves millions of ready-made inventory, enabling it to quickly seize market opportunities for customers.

As a professional TR90 Folding Sunglasses manufacturer and OEM/ODM TR90 Folding Sunglasses factory in China, The birth of each pair of glasses begins with carefully selected raw materials. In the workshop, every process is infused with dedication - during polishing, a fine touch is pursued, and during assembly, strict fit is required. Multiple processes are strictly controlled, not neglecting any detail, only to incorporate quality into the curvature and make comfort a part of the wearing experience, creating a good, warm pair of glasses.

News
TR90 Folding Sunglasses Industry Knowledge

1. What makes TR90 material more flexible than traditional plastic sunglasses?

As a factory specializing in TR90 Folding Sunglasses, we frequently explain why TR90 is far more flexible than conventional plastics. The secret lies in the molecular structure of TR90 glasses frame material. Unlike ordinary injected plastics that tend to be brittle, TR90 is a memory polymer engineered for elasticity. When used in TR90 spectacle frames, the material can bend, twist, and withstand significant torque without cracking or losing its original shape.

During production, we process TR90 at controlled temperatures to improve chain alignment, which increases flexibility and impact resistance. This is particularly important for TR90 Folding Sunglasses, where repeated folding points require frames that do not fatigue easily. Over thousands of opening and closing cycles, TR90 spectacle frames maintain stable performance, demonstrating resilience traditional plastics cannot offer. This predictable durability is one of the reasons global buyers increasingly prefer TR90 glasses frame construction over cheaper resin frames.

2. Are TR90 polarized sunglasses more comfortable for long-term outdoor use?

Comfort is one of the biggest advantages of TR90 Folding Sunglasses, especially for customers who wear sunglasses all day. TR90 is significantly lighter than acetate or metal alloys, allowing the wearer to experience less nose pressure and temple tension. When a TR90 glasses frame is paired with polarized lenses, it becomes even more suitable for outdoor activities, driving, and travel.

Because TR90 spectacle frames do not absorb moisture or sweat, they maintain a consistent weight and grip throughout the day. Our factory conducts heat-resistance tests to ensure that TR90 Folding Sunglasses stay stable during exposure to sunshine, humidity, and temperature fluctuations. This lightweight characteristic also makes TR90 glasses frame structures comfortable for hiking, cycling, and beach environments.

Most customers who upgrade to TR90 spectacle frames immediately notice the difference in long-term comfort, especially in climates where sunglasses are worn for hours. By reducing skin pressure and improving fit stability, TR90 Folding Sunglasses ensure that users remain comfortable from morning to evening.

3. Do TR90 sunglasses resist bending or breaking better than acetate frames?

In fact, durability is one of the strongest reasons buyers choose TR90 Folding Sunglasses over acetate. Acetate has beauty and color depth, but it is more rigid and vulnerable to cracking when subjected to sudden stress. In comparison, a TR90 glasses frame can bend significantly without damage, making it ideal for foldable designs.

Our impact-resistance tests consistently show that TR90 spectacle frames withstand accidental drops, twisting, and repeated folding motions far better than acetate. For travelers, athletes, or customers who frequently handle their sunglasses on the go, TR90 Folding Sunglasses provide outstanding longevity. Even when folded and stored in pockets or small cases, the flexibility of a TR90 glasses frame reduces the risk of breakage during transport.

Many international brands choose TR90 spectacle frames specifically because they lower the defect rate during shipment and reduce warranty claims. For factories, this means more stable production results and higher customer satisfaction.

4. Is TR90 material safe for people with sensitive skin?

Customers with sensitive skin often worry about irritation caused by low-grade plastics. One major advantage of TR90 Folding Sunglasses is that TR90 is hypoallergenic, BPA-free, and chemically stable. A TR90 glasses frame does not release harmful substances when exposed to sweat, sunscreen, or heat, making it safe even for users with reactive skin conditions.

We test all TR90 spectacle frames for skin comfort and chemical stability to ensure that no irritation occurs during long-term wear. TR90 maintains a smooth, non-porous surface that prevents allergic reactions and does not trap oils or bacteria. This makes TR90 Folding Sunglasses an outstanding choice for humid environments or customers with skin sensitivity concerns.

Another advantage is that TR90 glasses frame materials resist discoloration and surface degradation, which means the frames stay clean and skin-friendly for a longer time. Many optical and sunglass brands specifically request TR90 spectacle frames for premium skin-safe product lines.

From flexibility and comfort to durability and skin-safety, TR90 Folding Sunglasses, TR90 glasses frame structures, and TR90 spectacle frames consistently outperform traditional plastic and acetate options. For manufacturers, TR90 allows precise folding mechanisms, lower breakage rates, and better long-term performance—making it one of reliable materials for modern sunglasses production.

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