2,000 + m²
Modern Production Space
Designed to Reflect You
Global Eyewear Brands’ First Choice in Manufacturing
Eyewear Manufacturing Excellence, Built for Your Brand
Precision craftsmanship. Consistent quality.From materials to final assembly, every frame is engineered to meet global standards and your brand expectations.
Home / Manufacturing Excellence
Advanced Eyewear Manufacturing is More Than Production
—It’s How We Protect Your Brand
By combining advanced technology, refined craftsmanship, and strict quality control, we create optical frames that deliver consistent performance, comfort, and visual identity.From precision machining to seamless assembly, every frame is produced in accordance with international standards and your brand specifications.
Factory Overview
Integrated Optical Frames Manufacturing Base
READSUN produces up to 150,000 high-end optical frames per month in our 2,000 m² facility with 120+ skilled technicians. We partner with over 100 global brands, including GUESS, GANT, TOM TAILOR, FILA, CK, DISNEY, MAX.CO, and POLAROID, delivering consistent quality, premium craftsmanship, and reliable supply for OEM, ODM, and private label collections.
120
Skilled Technicians
Up to150,000
High-End Frames per Month
100 +
International Leading Brands Collaborated
Precision Eyewear Manufacturing Process
Premium Acetate Craftsmanship
Our premium cellulose acetate offers exceptional flexibility, skin-friendly comfort, and deep color luster. Through our optimized aging and hot-pressing protocols, we eliminate internal stress to prevent warping, ensuring a high-end finish that lasts.
Differentiated Advantages
Rich, Natural Luster & Texture
Precision Hot-Bending for Ergonomic Fit
Multi-layered Composites & Gradient Textures
Quality Standards
01. Precision CNC Cutting
Micron-level automated cutting provides the perfect geometric foundation and high consistency for batch production.
02. 168h Controlled Baking
7-day slow baking increases hardness by 10–15% and reduces deformation to<0.3% for maximum frame stability.
03. Digital Fine Machining
Secondary precision machining of contours and edges ensures every curve matches the original design specifications.
04. Precise Rim Bending
Specialized heating and curving ensure the frame base curve perfectly matches the lens for a secure, tension-free fit.
05. Ergonomic Shaping
Manual adjustment of bridge angles and temple curves to ensure superior comfort and pressure-free wearing.
06. Multi-Stage Tumbling
Extended tumbling with organic media smooths every edge, creating a silky-soft touch even on complex shapes.
07. Stable Hinge Integration
Automated drilling and precision pinning ensure smooth hinge movement and long-term structural integrity.
08. Micro-Engraving
High-resolution laser and mechanical engraving for intricate patterns and brand logos with extreme clarity.
09. Master Hand-Polishing
Multiple stages of mechanical and artisanal hand-buffing achieve a mirror-like gloss and premium tactile feel.
10. Ultrasonic Cleaning
Multi-frequency ultrasonic baths remove all micro-residues, ensuring a pristine surface for final inspection.
11. Precision Lens Grooving
Automated grooving with a tolerance of ±0.1mm guarantees a seamless and secure fit for all lens types.
12. ISO-Standard QC
Final rigorous testing according to ISO 12870 standards to ensure zero-defect delivery and global compliance.
Mastering the Craft: From Concept to Completion
Watch our comprehensive manufacturing journey. This video showcases the synergy between advanced CNC technology and traditional hand-craftsmanship that defines every Readsun acetate frame.
High-Performance Injection Molding (TR90/PC/PEI)
Utilizing Swiss-imported TR90 and medical-grade polymers, our injection process achieves ultra-lightweight durability and memory-flexibility. We specialize in complex, high-strength frames that maintain their shape under extreme conditions while offering unparalleled skin-friendly comfort.
Differentiated Advantages
Proprietary Material Blending for Uniform Performance
Ultra-Tight Tolerance (±0.05mm) for Complex Shapes
Advanced Dual-Color & Gradient In-Mold Integration
Global Quality Compliance
01. Material Optimization
Exclusive drying and blending of TR90/PC/PEI resins ensure uniform physical properties, eliminating structural defects and warping.
02. High-Precision Injection
Fully automated injection molding with a strict ±0.05mm tolerance, supporting ultra-thin, wide, or highly complex frame geometries.
03. Vibratory Tumbling
Advanced vibratory grinding smooths out parting lines and sharp edges, ensuring a perfectly rounded and aesthetic finish.
04. Ultrasonic Deburring
Ultrasonic and high-pressure air cleaning ensures a flawless, debris-free surface for a premium tactile experience.
05. In-Mold Hinge Setting
Precision setting for dual-color or gradient designs, ensuring no bubbles or misalignment for an upscale aesthetic.
06. Precision Trimming
A combination of CNC and manual trimming ensures clean, sharp edges and burr-free surfaces with consistent dimensions.
07. Multi-Stage Polishing
Mechanical and manual buffing achieves either a high-gloss mirror effect or a sophisticated matte finish.
08. Custom Surface Coating
Superior adhesion and vibrant color application tailored to client specifications, providing a durable and beautiful finish.
9. Torque-Controlled Assembly
Automated screw driving with torque control prevents loosening and ensures smooth, durable hinge operation.
10. Precision Laser Marking
High-resolution laser engraving or pad printing provides permanent, clear markings without damaging the surface.
11. Ergonomic Alignment
Final manual frame shaping ensures perfect alignment, smooth hinge movement, and an ergonomic fit for maximum comfort.
12. 100% Quality Assurance
Comprehensive inspection of dimensions, flexibility, color, and finish; we only ship 100% qualified frames.
Precision Metal Frame Engineering
Our metal eyewear manufacturing combines aerospace-grade laser welding with meticulous hand-finishing. We specialize in working with premium stainless steel, Monel, and Titanium, ensuring every frame is lightweight, hypoallergenic, and structurally superior for long-term durability.
Differentiated Advantages
Zero-Visible Laser Welding with High Tensile Strength
Hinge Endurance Tested for Over 10,000 Cycles
Sub-0.1mm Tolerance for Perfect Symmetry
Engineering Excellence
01. Laser Bridge Welding
High-precision laser welding ensures the bridge is symmetrical and robust, passing rigorous tensile tests even for complex designs.
02. Automated Hinge Seating
Automated micro-welding ensures maximum hinge durability, guaranteed to pass 10,000+ open-and-close cycle tests.
03. Controlled Annealing
Precision annealing reduces material stress, allowing for perfect curvature without micro-cracks while ensuring easy temple adjustment.
04. Zero-Gap Laser Integration
Propelling a<0.1mm tolerance, our specialized laser technology creates seamless joins with invisible weld seams for superior aesthetics.
05. Multi-Stage Buffing
A combination of mechanical buffing and artisanal hand-polishing achieves a flawlessly smooth, high-luster mirror finish.
06. Vibratory Finish
Advanced vibratory tumbling enhances the tactile feel and visual depth, ensuring rounded edges even on the most intricate shapes.
07. Precision Lens Grooving
Exact cutting ensures the frame perfectly accommodates lenses, reducing assembly errors and providing standard templates for future glazing.
08. CNC Temple Refining
CNC machining ensures a ±0.1mm accuracy for temple tips, maximizing symmetry and ergonomic comfort for the wearer.
09. Ergonomic Curvature
Customized bending processes ensure a consistent angle across entire batches, perfectly aligned with human facial ergonomics.
10. Torque-Controlled Assembly
Automated screw insertion with precise torque control prevents loosening; nylon-coated screws are used for smoother hinge operation.
11. Permanent Laser Marking
High-resolution laser engraving ensures clear, permanent branding and information without compromising the metal surface.
12. 100% Quality Assurance
Exhaustive testing for dimensions, structure, and functionality; only 100% defect-free frames are approved for international shipping.
Quality Control
Ensuring Consistency in Every Optical Frame
Polishing
Full-process inspection covering materials, structure, comfort, and durability
Certification
Each batch complies with CE / FDA / ISO9001 standards
Risks are controllable
Digital quality records ensure full traceability and issue tracking
Learn more
Sustainable Eyewear Manufacturing: Eco-Friendly Materials & Green Production
Utilizing bio-based materials, biodegradable boards, and RPET children's optical frames
Solder-free process, low-VOC coatings
Supporting customer environmental requirements and meeting global green standards
Get Your Exclusive Resources Now
To help brand clients quickly validate product quality and capture market trends, we offer exclusive benefits to our major clients:
- Free catalog + sample frames
- Free selection of samples for you to quickly experience ReadSun product quality
- Support for multiple material and style options to aid product decision-making
- Bestselling product list
- Sharing the top 10 best-selling products in the market and providing the latest market intelligence
- Free shipping on your first order, or receive free eyewear accessories
Get a Quick Quote
Please fill in the information below. We will contact you within 1–3 business days and provide you with a personalized product catalog, sample frames, or a list of best-selling items. We promise to keep your information strictly confidential and use it only for resource delivery and subsequent communication.
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