ABOUT LONSY
LONSY Eyewear is a professional eyewear manufacturer in China with over 15 years of experience specializing in wholesale sunglasses, optical frames, custom eyewear manufacturing, OEM and ODM eyewear production.
Since 2011, we have helped global eyewear brands, wholesalers, distributors, retailers, optical stores, and e-commerce businesses develop high-quality sunglasses and eyewear products.
With strong experience in eyewear design, production, quality control, and customization, LONSY provides complete solutions from concept design, prototype development, logo customization, packaging, and mass production.
LONSY Eyewear is located in Liwan District, Guangzhou, China, one of the largest eyewear trading areas in China.
Our location provides convenient access to professional eyewear supply chains, skilled workers, advanced production resources, and efficient logistics.
LONSY started manufacturing eyewear in 2011 and has more than 15 years of experience in the eyewear industry.
During these years, we have accumulated extensive experience in:
- Sunglasses manufacturing
- Optical frame production
- OEM eyewear customization
- Private label sunglasses
- Eyewear accessories development
- Quality control
Our long-term industry experience helps us provide reliable products and professional solutions for customers worldwide.
You are welcome to visit LONSY factory and discuss your eyewear projects face-to-face.
Please contact us through WhatsApp or email before your visit. Our team will confirm the available visiting time and arrange meetings according to your schedule.
LONSY Eyewear has exported sunglasses and optical products to more than 50 countries worldwide.
Our customers include:
- Eyewear wholesalers
- Sunglasses distributors
- Optical shops
- Fashion retailers
- Online brands
- Private label businesses
We have worked with more than 1,000 brands worldwide.
Through years of cooperation, we understand different market requirements and can provide customized eyewear solutions for different countries, price levels, and customer groups.
OEM & ODM SERVICES
LONSY provides complete OEM sunglasses manufacturing and private label eyewear services, including:
- Frame customization
- Lens customization
- Color customization
- Temple customization
- Packaging customization
- Private label production
We support brands from idea development to finished products.
Yes.
LONSY can develop completely new sunglasses based on your drawing.
The process includes:
- CAD drawing
- Prototype development
- Sample confirmation
- Mass production
Yes.You can provide:
- Existing samples
- Technical drawings
Our engineering team will evaluate and help turn your idea into a real eyewear product.
Yes. As an experienced custom eyewear manufacturer, we help customers throughout the development process:
- Material selection
- Structure optimization
- Design improvement
- Prototype making
- Production planning
Yes, based on our 15+ years of eyewear industry experience, we can recommend:
- Popular sunglasses styles
- Market trends
- Best-selling designs
- Suitable materials
LOGO & BRANDING CUSTOMIZATION
LONSY provides complete custom logo sunglasses and private label eyewear solutions.
Available logo methods include:
Laser engraving
Silk printing
Hot stamping
Laser engraving with color filling
Metal logo
Crystal logo
Lens printing
Our team recommends the best logo technology according to different materials.
Different materials require different logo solutions:
Wooden sunglasses:
Recommended:
- Laser engraving
Because wood has a natural texture and laser engraving provides a clean and durable effect.
Metal sunglasses:
Recommended:
- Laser engraving
- Silk screen printing
Acetate sunglasses:
Recommended:
- Hot stamping
- Laser engraving with color filling
PC and TR90 sunglasses:
Recommended:
- Hot stamping
- Silk screen printing
Metal logo and crystal logo:
Available for customized bulk orders.
MOQ usually starts from 300 pcs per style, because mold production and manual assembly are required.
Yes.We can customize lens logos through:
- Silk screen printing
- Laser engraving
The durability depends on the product material and usage environment.
Generally:
Laser engraving:
Very durable
No fading
Suitable for wood and metal
Hot stamping:
Premium appearance
Suitable for acetate frames
Silk screen printing:
Cost-effective
Suitable for plastic materials
Metal logo:
Premium luxury appearance
Requires mold production and MOQ
Our team will recommend the best solution based on your product.
Yes. With more than 15 years of eyewear manufacturing experience, we can recommend the best logo position according to:
- Frame structure
- Material
- Logo size
- Production process
Common logo positions include:
- Temple outside
- Temple inside
- Lens
PAYMENT AND SHIPPING
Payment terms depend on the order type.
Ready-stock wholesale sunglasses:
Usually: 100% payment before shipment
Custom OEM eyewear orders:
Usually:
30% deposit before production
70% balance before shipment
Payment terms can be discussed according to long-term cooperation.
We accept:
- Bank Transfer (T/T)
- PayPal (mainly for samples and small orders)
- Alibaba Trade Assurance
For large wholesale orders, bank transfer is the most common payment method.
Yes. We can provide invoices including order details and product information after order confirmation.
The invoice information will be prepared according to the actual transaction requirements
LONSY provides flexible worldwide shipping solutions for wholesale sunglasses and custom eyewear orders.
Available shipping methods include:
- DHL Express
- FedEx
- UPS
- Air Freight
- Sea Freight
We will recommend the most suitable shipping method based on:
- Order quantity
- Delivery time requirements
- Shipping cost
- Destination country
- Customs requirements
Yes. For most international orders, we can arrange door-to-door delivery through express shipping services.
For larger orders, we can also arrange air freight or sea freight solutions.
Shipping time depends on the destination and shipping method.
Express Shipping (DHL/FedEx/UPS):
Usually around 5-15 days
Suitable for:
- Samples
- Small wholesale orders
- Urgent orders
Air Freight:
Usually around 7-20 days
Sea Freight:
Usually around 30-45 days
The exact delivery time depends on the destination country and customs clearance process.
No. Our product prices usually do not include:
- Import duties
- Customs taxes
- VAT
- Local clearance fees
Import duties and taxes are charged by the customer’s local customs authority.
The buyer is responsible for these costs unless a special DDP shipping agreement is confirmed.
Yes, DDP shipping can be arranged for some countries.
DDP (Delivered Duty Paid) means:
- Shipping arranged by supplier
- Import customs handled through the shipping channel
- Duties included according to the agreed terms
Because DDP availability depends on:
- Destination country
- Product type
- Shipping regulations
Please confirm DDP requirements with our sales team before ordering.
Yes.
LONSY provides necessary product-related documents required for customs clearance, including:
- Commercial invoice
- Packing list
- Product information
- Shipping documents
- Product specifications
However, documents related to the importer’s company, tax registration, import license, or local business information must be provided by the buyer.
If customs clearance problems happen because of missing importer documents or local regulations, LONSY will cooperate and provide product information and shipping assistance.
If goods are returned due to customer-side customs issues, we can help arrange reshipping.
However, additional shipping costs caused by customer-side reasons need to be paid by the buyer.
Yes. If you have your own freight forwarder or shipping agent in China, we can ship products directly to your appointed agent.
Many international buyers prefer using their own logistics partners.
Why choose LONSY as your eyewear supplier?
Choosing the right sunglasses manufacturer in China is important for building a successful eyewear business.
LONSY provides:
✓ More than 15 years eyewear manufacturing experience
✓ Professional OEM & ODM eyewear services
✓ Custom logo and packaging solutions
✓ Flexible MOQ for wholesale sunglasses
✓ Large ready-stock sunglasses collection
✓ Strict quality inspection before shipment
✓ Worldwide shipping support
✓ Fast response and long-term cooperation
From your first idea to finished products, LONSY is ready to be your reliable eyewear manufacturing partner.
ABOUT PRODUCTS
LONSY is a professional wholesale sunglasses manufacturer and custom eyewear supplier offering a wide range of eyewear products:
Sunglasses Collections:
- Acetate Sunglasses
- PC Fashion Sunglasses
- TR90 Sunglasses
- Metal Sunglasses
- Wooden Sunglasses
- Sports Sunglasses
- Kids Sunglasses
- Buffalo Horn Sunglasses
Optical Frame Collections:
- Acetate Optical Frames
- Titanium Optical Frames
- TR90 Optical Frames
- Blue Light Blocking Glasses
- Prescription Eyeglass Frames
We provide both ready-stock sunglasses and fully customized OEM eyewear manufacturing services.
Yes. For ready-stock sunglasses, customers can mix different colors according to available inventory.
This allows small businesses and new brands to test different colors without large investment.
For customized production, MOQ requirements depend on the material and design.
Yes. For our ready-stock wholesale sunglasses collection, customers can mix different models.
This is ideal for:
- Online sellers
- Small retailers
- New eyewear brands
- Boutique shops
Yes. All LONSY sunglasses are made with UV400 protection lenses.
UV400 lenses help block harmful UVA and UVB rays and provide better protection for daily outdoor use.
Yes. We provide polarized lenses for:
- Sports sunglasses
- Wooden sunglasses
- Fashion sunglasses
- Outdoor eyewear
Polarized lenses are ideal for driving, fishing, beach activities, and outdoor sports.
LONSY manufactures eyewear using various materials:
- Cellulose acetate
- TR90
- Stainless steel
- Titanium
- PC
- Wood
- Buffalo horn
We recommend suitable materials based on your target market, price range, and product positioning.
We offer different hinge solutions:
- Standard metal hinge
- Spring hinge
- 3+2 reinforced hinge
- Custom hinge solutions
For different frame materials, we recommend the most suitable hinge structure to improve durability.
Yes. For custom design order, we can customize lens colors, material and printing according to your requirements.
MOQ (Minimum Order Quantity)
For ready-stock wholesale sunglasses, our MOQ is very flexible.
Most stock models support:
- Low MOQ orders <10pcs
- Mixed colors
- Mixed models
For customized eyewear production, MOQ depends on the material, design, and customization requirements.
For custom acetate sunglasses, the MOQ usually starts from:
300 pcs per style
Customers can customize:
- Frame colors
- Lens colors
- Logo
- Packaging
For acetate sunglasses, we recommend using hot stamping logo or metal logo according to the design.
For custom TR90 sunglasses, MOQ usually starts from:
1,200 pcs per style
Because TR90 products require new molds and production setup, additional mold fees may apply depending on the design.
For custom wooden sunglasses:
MOQ starts from 100 pcs per style.
Wooden sunglasses are one of LONSY’s professional product categories, We have 100+ existing shades available to choose from.
For custom buffalo horn eyewear:
MOQ starts from 100 pcs per style
You can mix black, white, and brown buffalo horn.
SAMPLES AND PRODUCTION
Yes. Customers can order samples before placing bulk orders.
Sample orders help confirm:
- Product quality
- Frame shape
- Color
- Lens effect
- Logo position
Sample production time depends on the product type and customization requirements.
Usually:
Ready-stock samples:
3-10 days
Customized samples:
15-30 days
For complex custom eyewear designs requiring new molds, the development time may be longer.
Our sales team will confirm the exact schedule before starting.
For standard samples, sample fees are usually not refundable.
For customized sample development, sample costs depend on:
- Design complexity
- Material
- Mold requirements
- Production process
If you place a large production order, we can discuss sample cost support according to the order situation.
Yes. We support customized samples including:
Custom colors
Custom lenses
Custom logo
Custom packaging
Sample confirmation is an important step before OEM eyewear mass production.
Yes. Before shipping samples or bulk orders, we can provide:
Product photos
Packaging photos
Quality inspection photos
Customers can confirm the products before shipment.
LONSY provides both ready-stock wholesale sunglasses and custom OEM eyewear manufacturing services.
Ready-stock sunglasses:
Usually 7-15 days depending on:
- Logo customization
- Packaging requirements
- Order quantity
Custom eyewear orders:
Usually 40-60 days depending on:
- Product material
- Design complexity
- Mold development
- Production quantity
Before confirming your order, our team will provide an estimated production schedule.
Yes. For urgent orders, we can discuss possible solutions according to:
- Product availability
- Production capacity
- Customization requirements
For ready-stock sunglasses, production and shipping can usually be arranged faster.
For custom OEM sunglasses, the production timeline depends on materials, molds, and manufacturing processes.
As an experienced sunglasses manufacturer in China, LONSY follows strict quality control procedures throughout the production process.
Our quality control includes:
- Incoming material inspection
- Frame structure checking
- Lens quality inspection
- Logo position checking
- Hinge testing
- Assembly inspection
- Final product inspection
Every pair of sunglasses is carefully checked before shipment.
Quality is one of the most important parts of LONSY’s eyewear manufacturing process.
Before shipment, every pair of sunglasses and optical frames goes through individual inspection.
Our quality control process includes:
Frame inspection:
- Frame shape checking
- Surface inspection
- Color checking
- Screw and hinge checking
Lens inspection:
- Lens scratches checking
- Lens fitting checking
- UV400 protection testing
- Polarized lens testing when required
Assembly inspection:
- Temple opening and closing test
- Hinge durability check
- Overall comfort inspection
Only qualified products are packed and shipped.
WARRANTY & AFTER SALES
LONSY takes product quality and customer satisfaction seriously.
If products are damaged during transportation, please provide:
- Photos
- Videos
- Quantity information
After confirmation, we will provide solutions including:
- Replacement products
- Refund compensation
- Other suitable solutions
If quality problems are caused by our production process, LONSY will take responsibility.
We can provide:
- Replacement products
- Refund solutions
- Production improvement
Quality issues must be reported with supporting photos or videos after receiving goods.
LONSY provides quality assurance for our eyewear products.
Our warranty covers:
- Manufacturing defects
- Production quality problems
- Product damage before customer use
The warranty does not cover:
- Damage caused by end customers
- Improper use
- Accidental damage after delivery
Yes. If defective products are confirmed to be caused by manufacturing problems, we will arrange:
- Replacement products
- Compensation solutions
Our goal is to build long-term cooperation with every customer.
We take after-sales service seriously.
Normally, our team responds as soon as possible after receiving:
- Product photos
- Problem description
- Order information
We work with customers to find efficient solutions.
Please contact our sales team and provide:
- Order number
- Product model
- Problem description
- Photos or videos
- Quantity affected
Our team will review the case and provide a solution.
Still Have Questions?
Our eyewear experts are ready to help.
Whether you are looking for wholesale sunglasses, custom eyewear manufacturing, OEM production, or private label services, our team will provide professional support and fast quotations.
Contact us today via WhatsApp or Email to discuss your project.