ABOUT LONSY

Who is 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.

Where is LONSY located?

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.

How long has LONSY been manufacturing eyewear?

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.

How can I visit LONSY?

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.

How many countries has LONSY exported to?

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
How many brands have you worked with?

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

What OEM services do you offer?

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.

Can you develop completely new sunglasses?

Yes.

LONSY can develop completely new sunglasses based on your drawing.

The process includes:

  1. CAD drawing
  2. Prototype development
  3. Sample confirmation
  4. Mass production
Can I send my own design?

Yes.You can provide:

  • Existing samples
  • Technical drawings

Our engineering team will evaluate and help turn your idea into a real eyewear product.

Do you help with product development?

Yes. As an experienced custom eyewear manufacturer, we help customers throughout the development process:

  • Material selection
  • Structure optimization
  • Design improvement
  • Prototype making
  • Production planning
Can you recommend trendy designs?

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

What logo methods do you offer?

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.

Which logo method is suitable for different eyewear 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.

Can you print my logo on the lens?

Yes.We can customize lens logos through:

  • Silk screen printing
  • Laser engraving
Which logo method is the most durable?

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.

Can you help design my logo placement?

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

What payment terms do you offer?

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.

What payment methods do you accept?

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.

Do you issue invoices?

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

What shipping methods are available?

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
Can you arrange door-to-door shipping?

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.

How long does shipping take?

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.

Do prices include import duties?

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.

Can you ship DDP?

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.

Can you help with customs clearance?

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.

What happens if my shipment cannot clear customs?

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.

Can you use my shipping agent?

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

What types of glasses does LONSY manufacture?

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.

Can I mix different colors?

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.

Can I mix different models?

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
Are your sunglasses UV400?

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.

Are polarized lenses available?

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.

What frame materials do you offer?

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.

What hinge options are available?

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.

Can I customize lens colors?

Yes. For custom design order, we can customize lens colors, material and printing according to your requirements.

MOQ (Minimum Order Quantity)

What is your wholesale MOQ?

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.

What is the MOQ for custom acetate sunglasses?

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.

What is the MOQ for custom TR90 sunglasses?

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.

What is the MOQ for wooden sunglasses?

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.

What is the MOQ for buffalo horn glasses?

For custom buffalo horn eyewear:

MOQ starts from 100 pcs per style

You can mix black, white, and brown buffalo horn.

SAMPLES AND PRODUCTION

Can I order samples first?

Yes. Customers can order samples before placing bulk orders.

Sample orders help confirm:

  • Product quality
  • Frame shape
  • Color
  • Lens effect
  • Logo position
How long does sample production take?

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.

Are sample costs refundable?

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.

Can I customize samples?

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.

Can I receive photos before shipping?

Yes. Before shipping samples or bulk orders, we can provide:

Product photos
Packaging photos
Quality inspection photos

Customers can confirm the products before shipment.

What is the order production time?

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.

Can production be expedited?

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.

How do you control production quality?

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.

How do you control products quality?

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

What happens if products arrive damaged?

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
What if products have quality issues?

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.

What is your warranty policy?

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
Will you replace defective products?

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.

How quickly do you respond to after-sales issues?

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.

How do I submit an after-sales claim?

Please contact our sales team and provide:

  1. Order number
  2. Product model
  3. Problem description
  4. Photos or videos
  5. 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.

CONTACT US

Phone: +86 180 2620 0008
Email: wholesales@lonsyeyewear.com

Contact us for any
questions today.

Fast shipping all over
the world

Address: No.110 Calle Zhizihua,Distrito Liwan, Cantón, China

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