What are the best eyeglass frame brands for wholesale buyers? The "best" eyeglass frame brands for wholesale buyers depend on your business model. If you sell licensed or designer brands, you source through official distributors. If you want your own brand, you work with a factory for private label, ODM, or OEM production. Most successful wholesalers use a mix: a few recognized brands to att...

Are there any eyeglass frames made in the USA? Yes, there are eyeglass frames made in the USA, but the number is small. American frame production is concentrated in niche workshops and specialty brands that focus on handmade acetate, premium metal, or small-batch custom work. Most frames sold in the US are imported from China, Italy, and other regions. The reason is cost: US labor, tooling, ...

How many eyeglass frame manufacturers are there? There are thousands of eyeglass frame manufacturers worldwide, ranging from small workshops to large contract factories. China alone has hundreds of factories concentrated in Wenzhou, Shenzhen, and Dongguan. Italy's Belluno district hosts a smaller but highly specialized cluster for premium acetate. India, Vietnam, and other regions are growin...

Who is the largest eyeglass frame manufacturer? There is no single "largest" eyeglass frame manufacturer. The industry is built on large contract manufacturers, brand-owning groups, and regional production clusters. Major groups such as EssilorLuxottica, Marchon, and Safilo control large brand portfolios and their own production. At the same time, China's Wenzhou, Shenzhen, and Dongguan clus...

What does 'frames only' mean and can I buy frames without lenses? Yes, you can buy frames without lenses. "Frames only" means the shipment contains the frame front and temples, but no lenses. This is the standard way optical frames are supplied in B2B wholesale. Lens fitting is done later by a lens lab, optical retailer, or distributor. READSUN Optical supplies frames only for wholesale, pri...

What are unisex optical frames? Unisex optical frames are eyeglass frames designed to fit and suit both men and women. They use neutral shapes, balanced proportions, and a mid-size range that works across genders. For B2B buyers, unisex optical frames are a smart way to reduce SKU count while covering two customer groups with one model. READSUN produces custom unisex optical frames for whole...

What is the difference between full rim, semi-rimless and rimless frames? Full rim frames surround the entire lens with frame material. Semi-rimless frames hold the lens partly with frame and partly with a nylon cord. Rimless frames mount the lens directly to the bridge and temples without a surrounding rim. Full rim is the most durable and common. Semi-rimless is lighter with a modern look....

What frame styles are trending for 2026? The strongest eyeglass frame styles for 2026 include retro square shapes, slim gold and silver metal frames, oversized acetate frames, transparent and crystal tones, and mixed-material designs. Demand is also rising for lightweight titanium styles, soft cat-eye shapes, and bold tortoiseshell patterns. These trends come from MIDO and SILMO exhibition r...

What is the HS code for spectacle frames? The HS code for spectacle frames is generally under HS heading 9003. Plastic spectacle frames, including acetate and TR90, usually fall under 9003.11. Metal spectacle frames, including stainless steel, titanium, and monel, usually fall under 9003.19. Spectacle frames is a synonym for optical frames and eyeglass frames, so the same HS codes apply. REA...

What is the HS code for acetate optical frames? The HS code for acetate optical frames is usually 9003.11. This subheading covers frames and mountings for spectacles, goggles, or similar articles made of plastics. Acetate is classified as a plastic material for customs purposes. Metal frames, such as titanium or stainless steel, usually fall under 9003.19. The final code depends on the desti...

What is the HS code for optical frames? The HS code for optical frames is generally under HS heading 9003. Plastic optical frames usually fall under 9003.11, while other materials such as metal, acetate, and titanium typically fall under 9003.19. The exact code depends on the frame material, structure, and destination country. Importers should always confirm the final classification with the...

How do I measure eyeglass frame size? To measure eyeglass frame size, use a ruler or caliper to check three numbers: lens width, bridge width, and temple length in millimeters. Most frames already print these numbers on the inside of the temple. If the numbers are missing, you can measure them yourself in three simple steps. READSUN supplies custom optical frames in all standard sizes and ca...

What do the numbers on eyeglass frames mean? The numbers on eyeglass frames are eyeglass frame measurements, not prescription values. They usually show lens width, bridge width, and temple length in millimeters, printed as three numbers such as 54-18-145. Some frames also include A, B, and ED dimensions. These markings help B2B buyers confirm fit, size, and specification before ordering. REA...

How do eyeglass frame sizes work? Eyeglass frame sizes work with three numbers, usually printed on the temple: lens width, bridge width, and temple length, measured in millimeters. For example, 54-18-145 means a 54 mm lens, an 18 mm bridge, and a 145 mm temple. These numbers help buyers match frames to different face shapes and market preferences. READSUN produces custom optical frames in al...

What are the parts of an eyeglass frame called? The main parts of an eyeglass frame are the lens rim, bridge, endpiece, temple, hinge, and nose pad. Other parts include the temple tip, screws, and sometimes a brow bar. Understanding these terms helps B2B buyers communicate specifications clearly with manufacturers. READSUN Optical produces custom optical frames with all major frame component...

What are the different types of eyeglass frames? There are three main ways to classify eyeglass frame types: by structure, by material, and by shape. Structure includes full rim, semi-rimless, and rimless. Materials include acetate, TR90, Ultem, titanium, and stainless steel. Shapes include round, square, cat-eye, and aviator. READSUN manufactures all major eyeglass frame types for wholesale...

What is the difference between optical frames and sunglasses frames? Optical frames are designed to hold prescription lenses for vision correction, while sunglasses frames are designed for tinted or polarized lenses for sun protection. In B2B sourcing, both can be supplied as frames only or with lenses, depending on your program. READSUN manufactures both optical frames and sunglasses frames...

What are optical frames? Optical frames are the frames that hold prescription lenses. In B2B sourcing, they are usually supplied as frames only, without lenses. They are not the same as sunglasses or ready-made reading glasses. Importers, eyewear brands, and distributors buy optical frames for wholesale, private label, OEM, and ODM programs. READSUN Optical manufactures custom optical frames...

How long do eyeglass frames last? Most eyeglass frames last between two and five years with normal daily wear. Acetate and TR90 frames typically last three to five years. Metal frames such as titanium and stainless steel can last longer, often five years or more. Actual lifespan depends on material, hinge quality, surface finish, and how the frame is used. READSUN applies strict quality cont...

Are acetate frames durable? Yes, acetate frames are durable when the material grade and production quality are correct. High-quality cellulose acetate is strong, flexible, and resistant to daily wear. It can be polished and repaired, which extends its life. Acetate frames typically last three to five years with normal use. READSUN Optical uses quality-controlled acetate and strict testing to...

How long do acetate frames last? Acetate frames typically last three to five years with normal daily wear. With careful use and good maintenance, many frames last longer. The exact lifespan depends on the acetate grade, hinge quality, surface finish, and how the frame is worn and stored. Low-grade acetate with weak hardware may fail in one to two years. READSUN Optical produces quality-contr...

Orders are fully tracked through READSUN’s digital milestone management system. Production is scheduled by key process, with materials and components tracked, and exceptions handled promptly to ensure on-time delivery.

READSUN combines innovative materials, precision engineering, and fashion trend analysis to produce high-quality and market-relevant optical frames.

Yes. READSUN supports full-collection development including core styles, seasonal highlights, and children’s lines.

Yes. READSUN adapts material thickness, hinge structure, finishing processes, and packaging to match different retail price segments.

Acetate sampling takes 7–10 days, with bulk production in 30–45 days. Design revisions are typically responded to within 24–48 hours.

MOQ varies by material, but flexible trial quantities are available for long-term projects.

Yes. READSUN supports third-party pre-shipment inspections to ensure products meet required standards.

READSUN verifies issues within 48 hours and provides replacement or compensation solutions. Pre-production trials prevent major structural or quality issues. Defective items during production are reworked; severe issues that cannot be reworked are remade or repaired.

READSUN implements dedicated QC checkpoints on each material production line. Production follows standard operating procedures, with first-article inspection on key processes and in-line sampling or full inspection. Defective products are reworked before proceeding. Final products undergo required testing to ensure full quality control. ...

Yes. READSUN’s team proactively matches design direction with your brand DNA, target age group, regional market trends, and pricing structure.

READSUN develops over 1,500 new optical frame designs each year, including 500+ children’s models, combining fashion trends with structural engineering.

Yes. READSUN develops full collections including acetate premium lines, lightweight metal series, and injection cost-effective models, ensuring brand consistency across categories.

Yes. READSUN provides sustainability data, material certifications, and environmental impact reports to support brand ESG reporting and initiatives.

READSUN sources certified eco-friendly materials with full traceability, optimizes production processes, and monitors environmental impact to comply with international sustainability standards.

Yes. READSUN offers material origin, production process, and compliance documentation, including GRS certification.

Yes. READSUN provides bio-based, recyclable, and eco-friendly acetate materials to support brand sustainability goals.

Yes. READSUN can provide CE, ISO, and material safety test reports upon request to meet brand compliance requirements.

Yes. READSUN frames meet CE and other international safety standards, including EN ISO 12312-1, ISO 13149:2010, nickel release tests, US Z80.3, and lead/cadmium chemical tests. Full test reports are available.

Yes. READSUN has long-term partnerships with over 100 international brands, including licensed collaborations such as Hello Kitty, Disney, and Tom Tailor.