Sunglasses Manufacturer in China OEM ODM Factory

Sunglasses Manufacturer in China | OEM & ODM Factory – Deepward

OEM vs. ODM Sunglasses Manufacturing: Choosing Your Path

Choosing between OEM and ODM defines your launch timeline, upfront budget, and brand positioning. At Deepward, we engineer custom collections from raw sketches and maintain an extensive archive of market-tested frame silhouettes. Both paths deliver export-grade quality compliant with global standards, but the production mechanics differ fundamentally.

Understanding OEM Custom Design Fabrication

OEM (Original Equipment Manufacturer) production gives you 100% proprietary ownership over the frame geometry. We build your frames from the ground up based on your exact 2D technical drawings or 3D CAD files.

Complete Customization: Custom frame rim contours, proprietary hinge systems, bespoke wire-core engravings, and custom-laminated acetate colorways.
Exclusive Tooling: We engineer dedicated molds for injection frames, die-cast metal components, or stamping dies that belong strictly to your brand.
IP Protection: Your blueprints remain locked under non-disclosure agreements, ensuring unique market exclusivity.

Exploring ODM Private Label Catalog Options

ODM (Original Design Manufacturer) production leverages our ready-made, pre-tested frame molds. You select proven silhouettes from our private label catalog and customize them to fit your brand identity.

Rapid Branding: Add your laser-etched logos on lenses, foil-stamped branding on inner temple arms, and custom-branded tip plates.
Material Flexibility: Choose your preferred lens tints, UV400 polarization levels, and cellulose acetate or metal colorways using existing tooling.
Zero Mold Fees: Skip the mechanical engineering phase entirely, significantly lowering your upfront capital requirement.

Comparing Development Costs, Tooling Investments, and Speed-to-Market

Production Metric	OEM (Full Custom Tooling)	ODM (Private Label Catalog)
Tooling & Mold Cost	$800 – $2,500+ per frame style	$0 (Pre-existing factory molds)
Sample Lead Time	20 – 35 days (prototyping + tooling)	7 – 12 days (using stock tooling)
Mass Production Time	45 – 60 days after sample sign-off	30 – 40 days after sample sign-off
Design Exclusivity	100% proprietary to your brand	Non-exclusive base silhouette
Minimum Capital Outlay	Higher upfront investment	Lean initial setup cost

How to Decide Between Full Custom Tooling and Ready-Made Frame Molds

Choose OEM Tooling If: You are an established eyewear label, have an innovative ergonomic design, require proprietary hardware, or want to protect unique signature aesthetics from competitors.
Choose ODM Frame Molds If: You are testing seasonal micro-collections, need to launch within tight retail windows, or want to maximize initial inventory budgets by bypassing tooling expenses.

Eyewear Frame Materials and Customization Options

Choosing the right base material directly defines your brand’s market segment, perceived quality, and price point. As an experienced sunglasses manufacturer in China, we give you full access to both luxury and high-volume raw materials, backed by specialized CNC tooling and precision processing in-house.

Cellulose Acetate and Custom Lamination

For premium, richly colored collections, we mill both standard cellulose acetate and world-renowned Italian Mazzucchelli acetate sheets. Acetate gives you unmatched depth of color, pattern stability, and hypoallergenic comfort.

Multi-Layer Lamination: We heat-fuse contrasting color sheets to create distinct multi-tone fronts, crystal backings, and patterned temple accents.
Custom Color Curation: If you need bespoke tortoiseshell patterns or specific Pantone matching, we coordinate custom sheet extrusion directly with material suppliers.
Learn more about working with luxury materials in our Mazzucchelli acetate frames craft and custom guide.

Premium Beta-Titanium and Stainless Steel

When your collection demands ultra-lightweight durability and clean, minimalist silhouettes, our metal-working line handles medical-grade metals:

Beta-Titanium: Featherweight with high elastic memory. It bends under pressure without losing its shape, making it the top choice for luxury and technical sunglasses lines.
Surgical Stainless Steel: Highly cost-efficient, corrosion-resistant, and rigid enough for razor-thin rim profiles and precise bridge stamping.
To balance weight, rigidity, and unit costs across lines, read our guide on how to compare acetate, titanium, and metal eyewear frames.

Eco-Friendly Alternatives: Bio-Acetate and Recycled Ocean Plastics

Consumer demand for sustainable eyewear continues to surge globally. We provide fully verified sustainable materials without sacrificing structural integrity:

Bio-Acetate: Plasticizer-free and derived from cotton seeds and wood pulp. It is fully biodegradable under industrial composting conditions while offering the exact hand-feel and polish of conventional acetate.
Recycled Ocean Plastics: Collected, pelletized, and injected into rugged, outdoor-ready sunglass shapes. Ideal for active lifestyle brands focused on environmental impact.

Material	Key Characteristics	Best Suited For	Target Weight
Cellulose Acetate	Deep colors, hand-polishable, hypoallergenic	Heritage, retro, and luxury fashion	Medium to Heavy
Beta-Titanium	Ultra-lightweight, memory flex, zero corrosion	High-end minimal and performance frames	Ultra-Light
Stainless Steel	Rigid, durable, highly cost-effective	Contemporary wire rims and hybrid fronts	Light
Bio-Acetate	Eco-certified, plant-derived, biodegradable	Sustainable and eco-conscious brands	Medium

Custom Frame Finishes and Surface Treatments

The final finish is what sets apart factory-standard frames from a high-end retail product. We utilize both mechanical and chemical finishing processes to match your technical specs:

Multi-Stage Barrel Tumbling & Hand-Polishing: We run acetate parts through three stages of organic tumbling media (walnut shells and fine pumice), followed by hand-buffing wheels to achieve a deep, mirror-gloss shine.
Ion Plating (IP) & Electroplating: For stainless steel and titanium, our electroplating tanks produce durable metallic colors—including 24k gold, rose gold, gunmetal, and chrome—with clear electrophoretic lacquers to prevent tarnishing.
Matte Sandblasting & Rubberized Coatings: We create modern, low-glare aesthetics using controlled micro-bead blasting and soft-touch spray coats for tactical, sport, and streetwear collections.

Sun Lens Technologies and Optical Performance Standards

A great frame gets attention, but premium lenses build your brand’s reputation. At Deepward eyewear factory, we manufacture and fit sun lenses that meet rigorous global optical standards while matching your exact design language.

Polarized vs. Non-Polarized CR-39, Nylon, and Polycarbonate Lenses

We guide you to the right lens base depending on your target price point, weight profile, and frame construction:

CR-39 Sun Lenses: The industry standard for lifestyle frames. CR-39 offers superior Abbe value (clarity close to crown glass), accepts rich tinting easily, and resists scratches better than standard plastics.
Polyamide (Nylon) Lenses: Our top pick for premium acetate and high-end metal styles. Nylon is ultra-lightweight, extremely flexible, crack-resistant around drill-mount rimless designs, and BPA-free.
Polycarbonate (PC) Lenses: High-impact resistance makes PC ideal for sports and entry-level lifestyle eyewear. It provides natural UV protection at an accessible unit cost.
Polarized Filters: When your customers need glare reduction for driving, water, or snow, we incorporate premium Japanese PVA polarizing films. Understanding what polarized sunglasses mean for daily visual clarity helps brands position active versus urban collections effectively.

UV400 Protection and Category 0–4 Optical Tint Ratings

Every sun lens leaving our China eyewear manufacturing facility guarantees certified UV400 protection, blocking 99% to 100% of both UVA and UVB rays up to 400 nanometers. We calibrate light transmission to international standards (ISO 12312-1 and ANSI Z80.3):

Category 0–1 (80%–100% VLT): Fashion tints, indoor use, or pale aesthetic pastels.
Category 2 (18%–43% VLT): Medium tint for everyday urban sunlight.
Category 3 (8%–18% VLT): The gold standard for general outdoor sunglasses, beachwear, and bright sunlight.
Category 4 (3%–8% VLT): Extremely dark specialty lenses for high-altitude mountaineering and desert exposure (not legal for driving).

Functional Performance Coatings

To elevate your product above generic market stock, we apply durable surface treatments in cleanroom vacuum-coating chambers:

Anti-Reflective (AR) Backside Coating: Eliminates bounce-back glare from behind the wearer’s eyes, drastically improving visual comfort without altering the frame’s outward aesthetic.
Hard Anti-Scratch Coat: A transparent dipping cure applied to both sides of CR-39 and nylon lenses to extend product lifespan.
Hydrophobic & Oleophobic Coatings: Repels water droplets, sweat, skin oils, and dust, allowing wearers to clean lenses effortlessly with a standard microfiber cloth.
Gradient Tints: Seamless machine-dipped transitions from dark top shades to lighter bottoms, offering effortless reading and driving utility.

Custom Color Matching, Mirror Coatings, and Laser Logo Etching

We turn lenses into signature brand assets. You provide a Pantone reference or physical sample, and our laboratory matches solid tints, dual-gradient hues, and photochromic transitions.

Flash & Solid Mirror Coatings: Available in silver, gold, rose, emerald, and vibrant revo-multi spectrums for high-impact streetwear and performance lines.
Subtle Laser Branding: We use high-precision micro-lasers to etch your brand logo or lens certification mark into the upper edge of the left lens without disrupting the wearer’s field of view.
Rigorous Verification: We ensure optical alignment and check every batch using standard methods to test polarized sunglasses and spot real lenses before final assembly.

The End-to-End Eyewear Production Process

Turning a rough sketch into shelf-ready sunglasses takes precision engineering. At Deepward, our China eyewear manufacturing line bridges digital product development with meticulous bench craftsmanship. We keep the entire workflow in-house to protect your designs, cut lead times, and eliminate communication gaps.

Production Stage	Core Equipment & Methods	Key Output
1. Digital Design	AutoCAD, SolidWorks, 3D parametric rendering	2D technical blueprints & 3D CAD data
2. Prototyping	SLA 3D resin printers, benchtop hand carving	Fit verification & physical master samples
3. Frame Shaping	5-axis CNC routers, high-heat core shooting	Precision-cut acetate rims & reinforced temples
4. Surface Finishing	Multi-stage wooden barrel tumbling (wet & dry)	High-gloss, scratch-free surface luster
5. Final Assembly	Micro-riveting, torque calibration, optical press	Aligned hinges, secure lenses, QC-ready frames

1. Initial 2D Technical Drawings and 3D CAD Modeling

Every OEM project begins with structural drafting. You can supply a rough sketch, a tech pack, or an existing reference frame.

2D Engineering Blueprints: We map out critical baseline measurements—lens width, bridge distance, temple length, pantoscopic tilt, and base curve.
3D CAD Surfacing: Our engineers generate detailed CAD models to calculate structural tolerances, hinge pocket depths, and weight distribution before cutting any tooling.

2. Rapid Prototyping: 3D Resin Printing and Handmade Samples

Before opening custom sunglasses molds or slicing raw stock, we validate ergonomics.

3D Resin Printing (SLA): Produced within 24 to 48 hours. This lets you physically check face fit, proportions, and bridge ergonomics.
Handmade Acetate Master Samples: Our master technicians hand-cut, carve, and polish an exact 1:1 prototype from raw material. This confirms hand-feel, joint strength, and material thickness prior to mass production.

3. Precision CNC Cutting, Wire-Core Shooting, and Tumbling

Mass production demands extreme geometric consistency. When cutting high-grade acetate eyeglass frames, we eliminate warping and structural weaknesses at the machine level.

Multi-Axis CNC Routing: Automated high-speed CNC machines mill the front rims and temples out of seasoned acetate sheets with tolerances within ±0.05mm.
Wire-Core Shooting: Temples are heated and shot with custom stainless steel or brass wire cores. This delivers structural rigidity and allows opticians to adjust the fit.
4-Stage Barrel Tumbling: Frames spin in sealed wooden barrels loaded with pumice, birch chips, and polishing pastes for over 72 hours. This gradual dry-and-wet tumbling removes machine tooling marks and brings out a rich, mirror-grade sheen.

4. Manual Assembly, Precision Hinge Alignment, and Lens Fitting

Automated production only goes so far; fine eyewear requires seasoned hands for final assembly.

Hinge Riveting and Embedding: We install multi-barrel or spring hinges using ultrasonic embedding or manual pinned riveting to ensure tight, wobble-free temple action.
Cold/Warm Lens Glazing: Polarized CR-39, nylon, or polycarbonate lenses are pressed into frame grooves at regulated temperatures to prevent rim stress-cracking or lens warping.
Bench Alignment & Trueing: Every finished frame is leveled on a 4-point surface gauge to guarantee zero rocking, uniform temple spread, and smooth opening torque.

Quality Control and International Eyewear Compliance

Navigating international trade regulations can make or break an eyewear launch. At Deepward, we ensure your sunglasses clear customs cleanly and protect your brand reputation by building compliance testing directly into our factory workflow.

Global Compliance Standards

Every market brings its own legal requirements. We manufacture your frames and lenses to meet global certifications on day one:

United States (FDA Compliance): Full FDA factory registration and mandatory FDA drop ball test execution. We drop a 5/8-inch steel ball from 50 inches onto the lenses to guarantee impact resistance under 21 CFR 801.410.
European Union & UK (CE & UKCA): We certify production runs under ISO 12312-1 and EU Regulation 2016/425, covering optical properties, UV400 cutoffs, and Category 0–4 luminous transmittance.

In-House Physical and Chemical Testing

Before any batch leaves our facility, our testing lab simulates years of aggressive daily wear. Understanding how OEM, ODM, and private label cooperation works means knowing that rigorous verification saves thousands in returns.

Test Type	Parameters	Target Metric
Hinge Flex Endurance	Continuous opening and closing cycle	Over 20,000 cycles with zero joint looseness
Salt-Spray Resistance	48-hour continuous saline mist chamber	Zero corrosion, pitting, or plating peel
Nickel Release	EN 16128 chemical extraction	Direct metal contact strictly under 0.5 μg/cm²/week
Bridge Deformation	Mechanical downward load and release	Immediate recovery to original frame geometry

Pre-Shipment AQL Inspections

We don’t rely on spot-checks. We enforce strict AQL (Acceptable Quality Limit) 1.5 / 2.5 standards across the entire batch:

Dimensional Accuracy: Checking temple alignment, pantoscopic tilt, and front curvature against approved CAD blueprints.
Cosmetic Surface Checks: Zero tolerance for micro-bubbles, tooling lines, or color bleed under 1000-lux inspection lighting.
Packaging and Labeling: Batch verifications of barcodes, SKU labeling, protective sleeves, and compliance markings.

Ordering From a China Sunglasses Factory: Costs, MOQs, and Timelines

When you partner with our team as your sunglasses manufacturer in China, transparency dictates every step. Sourcing custom eyewear means balancing production volumes, upfront tooling fees, and realistic lead times so your launch stays profitable and on schedule.

Navigating Minimum Order Quantities (MOQs)

Minimums depend entirely on the raw materials and custom tooling required for your designs:

Custom Acetate Frames: Typically 300 pieces per style, split across 2–3 colorways (roughly 100 pieces per color). Sourcing custom-cured patterns from premium sheet suppliers dictates these volume floors, as detailed in our acetate sunglasses buying guide.
Metal & Titanium Eyewear: 300 to 500 pieces per model due to dedicated electroplating vat setups and wire-forming configurations.
Injected Plastics (TR90 / PC): 600 to 1,200 pieces per mold to offset the extensive steel mold engineering costs.
Combination Frames: Usually 300 to 500 pieces, aligned with component sourcing for combination frame glasses requiring both metal stamping and milled acetate.

Material Type	Typical Production MOQ	Colorway Minimums	Best Fit For
Cellulose Acetate	300 pcs / style	100 pcs / color	Independent fashion labels & boutique runs
Stainless Steel / Titanium	300–500 pcs / style	150 pcs / color	Minimalist, ultra-lightweight luxury collections
Injection Molded (TR90)	600–1,200 pcs / style	300 pcs / color	High-volume sports and lifestyle brands

Sample Turnaround Times and Tooling Fees

Prototyping prevents costly surprises during mass manufacturing. We separate sample development into fast iterations and final production proofs:

3D Resin Printing & Concept Samples: Completed within 5 to 7 business days to check frame scale, bridge fit, and pantoscopic tilt.
Handmade Functional Prototypes: Takes 15 to 20 days using genuine raw acetate sheets or rough metal wire to evaluate real-world weight and hinge mechanics.
Custom Tooling Investments: New metal stamping dies or injection molds range between $800 and $2,500 per style, depending on geometry. Tooling fees are one-time costs, and we waive or refund mold charges once your order volumes cross agreed annual thresholds.

Mass Production Timelines

From confirmed technical drawings to final container handoff, production takes between 45 and 75 days:

Raw Material Sourcing (Days 1–20): Milling acetate sheets, blending custom pigments, drawing metal wire, and ordering precision sun lenses.
CNC Cutting & Component Forming (Days 21–35): Cutting frame fronts, shooting wire cores into temples, and bending eyewires.
Tumbling, Polishing & Surface Finishing (Days 36–50): Multi-stage pumice barrel tumbling, hand-buffing, or electroplating baths.
Assembly & Lens Glazing (Days 51–65): Hinge pinning, lens mounting, pad printing temple text, and optical alignment.
AQL Quality Inspection & Packaging (Days 66–75): Drop ball testing, cosmetic surface checks, and boxing.

Custom Packaging Development

A retail-ready product requires fully branded accessories:

Protective Cases: Hard-shell clamshells, collapsible origami cases, or genuine and vegan leather pouches embossed with your logo.
Microfiber Cleaning Cloths & Pouches: Custom-printed via heat transfer or silk-screen in specified GSM fabric weights.
Retail Boxes & Barcoding: Rigid gift boxes with EVA custom inserts, pre-applied UPC/EAN barcode labels, and serialized SKU stickers ready for immediate fulfillment center intake.

Why Brands Partner with Deepward Eyewear Factory

We built Deepward to solve the common headaches brands face with overseas production: miscommunication, missed deadlines, compromised designs, and inconsistent quality. When scaling your line, knowing how to choose an OEM eyewear manufacturer comes down to finding an engineering partner who treats your designs with the same precision you do.

In-House Engineering and Tooling Workshops

We keep technical design and mold-making under our own roof. Our integrated tooling facility handles:
CAD refinement & 3D prototyping: Rapid turnaround on structural concepts before tooling cuts.
Precision CNC tooling: In-house mold fabrication that cuts tooling lead times by up to 30%.
Direct engineering oversight: Zero back-and-forth delays caused by third-party tooling subcontractors.

Strict Intellectual Property (IP) Protection

Your designs belong to you. We protect your intellectual property from day one:
Binding NDAs: Enforced before any technical packs, 3D files, or sketches are shared.
Exclusive tooling: Custom molds and proprietary frame profiles are cataloged, secured, and never repurposed for other clients.
Confidential workflows: New collections are produced in restricted manufacturing runs to prevent design leaks before your launch date.

Sub-1% Defect Rates via Multi-Stage QC

High defect rates kill margins and brand equity. We enforce rigorous quality gates at every production station:
Raw material verification: Acetate stability checks, metal plating adhesion, and lens optical clarity testing.
In-line mechanical checks: Wire-core positioning, hinge screw torque, and barrel alignment tests.
Final AQL audits: Drop ball impact tests, polarization axis checks, and cosmetic surface reviews under high-lumen inspection lights.

Scalable Production for Boutiques and Enterprise Brands

Our production lines are built to scale alongside your business model:
Flexible minimums: Low batch minimums per colorway for boutique runs and seasonal capsules.
High-capacity scaling: Dedicated automated and semi-automated cells capable of outputting high-volume seasonal replenishment orders on strict delivery schedules.

Frequently Asked Questions: Working with an OEM & ODM Sunglasses Manufacturer in China

What is the typical MOQ for custom sunglasses manufacturing?

Minimum order quantities depend heavily on your chosen materials and production methods. At Deepward, we structure our sunglasses MOQ in China to fit both growing independent brands and scaled volume retailers:

Custom Acetate Sunglasses: Typically 300 pieces per style, allowing 2 to 3 colorway variations (100–150 pieces per color).
Metal & Titanium Eyewear: Around 300 pieces per model due to CNC setup and wire-bending tooling.
Injection-Molded Frames (TR90 / Nylon): 600 to 1,200 pieces per mold to offset the steel injection tool configuration.

If you leverage our existing ODM catalog frames, we offer lower minimums since the initial tooling is already complete.

How much does it cost to build a custom eyewear mold?

Tooling fees depend on the complexity of your technical drawings and frame materials:

Handmade Acetate: Requires zero heavy steel molds. Tooling is limited to custom wire-core dies and CNC cutting programs, usually costing between $150 and $400.
Metal and Titanium: Involves rim-forming blocks, temple stamping dies, and end-piece tools, generally ranging from $800 to $1,800.
Plastic Injection Tooling: Demands high-precision multi-cavity steel molds, which cost between $1,500 and $3,500+ depending on the geometry.

When you develop full frame collections through our custom eyewear manufacturing lines, tooling fees are typically credited back once your order volume reaches agreed tier targets.

How long does it take from initial design to finished mass production?

From initial 2D CAD handoff to retail-ready delivery, a standard production run takes 10 to 14 weeks:

CAD Engineering & 3D Prototyping: 7 to 10 days to finalize dimensions and print resin test fits.
Physical Pre-Production Sample: 2 to 3 weeks for an exact handmade acetate or metal sample.
Tooling & Mold Fabrication: 3 to 4 weeks (for custom injected frames or stamped metal hardware).
Mass Production: 45 to 60 days for tumbling, hand-polishing, ultrasonic cleaning, lens fitting, and assembly.

How do I protect my original sunglasses designs from being copied?

We treat IP protection as a critical operational standard, not an afterthought. Before you share 2D sketches or technical packets, we sign a comprehensive, bilingual Non-Disclosure Agreement (NDA / NNN).

We keep your custom sunglasses molds strictly segregated in our proprietary tooling library, preventing unauthorized reuse. As an established OEM sunglasses factory, our business model relies on building long-term equity with international brands—not competing against our clients.

Can a China eyewear factory handle custom retail-ready packaging?

Yes. We handle end-to-end packaging development alongside your frame production so your goods arrive ready for store shelves or 3PL fulfillment. Working as a full-service custom logo sunglasses manufacturer, we coordinate and pack your complete unboxing kit:

Custom Cases: Vegan leather hard cases, collapsible magnetic boxes, or EVA zip shells with embossed logos.
Microfiber Essentials: Custom-printed microfiber cleaning cloths and high-density soft pull-string pouches.
Retail Outer Boxes: Rigid paperboard packaging, foil stamping, warranty cards, and SKU-labeled barcodes.