Injection molding and assembly floor at the Meng Tai Eyewear plant in Tainan, Taiwan

Tainan, Taiwan · Since 1985

From concept
to production.

OEM and ODM sunglasses and optical eyewear — from tooling and molding to final assembly and testing under one roof.

Request a quotation See what we make

About us

Eyewear manufacturing.
Since 1985.

OEM and ODM from Tainan, Taiwan — design, tooling, molding, lens work, assembly and testing on one site.

Explore our capabilities
Meng Tai Eyewear factory in Annan District, Tainan
2,100m² Manufacturing facility
130,000+ Frames per monthproduction capacity
100+ Brands served worldwide
8 Processes under one rooftooling to packing
19 Injection molding machines11 standard · 8 co-injection
37 Machines on the floor

Portfolio

7 categories, one factory.

Tortoise acetate-look sunglasses with green lenses

Fashion

Navy square sunglasses with orange mirror lenses

Lifestyle

Black wrap-around shield with blue mirror lens

Sports

Black and green half-rim performance sunglasses

Performance

Frosted safety frame with side shields and blue mirror lenses

Safety

Pink and red children's sunglasses

Kids

Lilac reading glasses with check-pattern temples

Reading Glasses

Your own style Talk to us →

Product Customization

An existing style, made yours.

Design Modification

Your design, refined to mold better.

Production Development

A concept, taken to production.

Capabilities

From mold steel to packed carton.

CAD modelling of an eyewear temple

Design & Development

2D and 3D CAD, then a printed prototype.

EDM sinking a copper electrode into a mold plate

In-House Tooling

Milling, EDM and repairs on site. Your tooling stays here.

Operator at an injection molding machine

Injection Molding

19 presses — 11 standard, 8 co-injection.

Robotic degating cell

Robotic Degating

Consistent parts, fewer handling marks.

Frames on the paint line

Painting & Finishing

Spray, pattern transfer, printing, laser engraving.

Vertical co-injection press with the mold in place

Co-Injection

TPR over-molded onto the painted part — bonded in the mold, not glued.

Automated lens handling line

Lens Processing

CNC cutting, etching and printing in house.

Final inspection against the drawing

Assembly & QC

Checked against the drawing, packed to your spec.

Eyewear production

6 steps, one building.

  1. Open injection mold with a frame part in the cavity
    1

    Injection

  2. Vibratory tumbling
    2

    Tumbling

  3. Pattern transfer painting
    3

    Painting

  4. Two-colour temples in the co-injection mold
    4

    Co-Injection

  5. Brand logo applied to a finished temple
    5

    Finishing

  6. Gloved hands packing a finished frame into an MT-branded kraft box
    6

    Assembly & Packing

Materials

What we run every day.

  • PC
  • TR90
  • TR90 NZZ
  • PA66
  • PA12
  • TPEE / TPR

Sustainable options

Recycled and bio-based materials are available.

To be more environmentally friendly, we are experienced with the most common grades — PCR PC, recycled TPR and bio-based PA12.

Recycled PC Post-consumer polycarbonate
Recycled TPR Temple tips, nose pads, grips
Bio-based PA12 Arkema Rilsan® Clear G850 Rnew® · EMS Grilamid TR GreenLine
Recycled packaging Pouches, EVA cases

GRS (Global Recycled Standard) certification available on request.

Lenses

Cut, printed and etched in house.

CNC lens cutting
CNC cutting
Brand mark printed onto a finished lens
Printing
Brand mark laser etched into a mirrored lens
Laser etching

Materials

  • Polycarbonate (PC)
  • Nylon
  • TAC polarized
  • PC polarized (PCPL)
  • Nylon polarized

Lens options

  • Multilayer mirror coatings
  • Photochromic
  • High-contrast tints
  • Gradient tints
  • Blue-light filtering
  • Infrared (IR) filtering

Quality

Tested here, to the standard.

ISO 12312-1 ANSI Z80.3 AS/NZS 1067
UV-VIS spectrophotometer showing a pass result against 3 eyewear standards
Spectrophotometer — transmittance, UV400, category and colour limits, against 3 standards at once.
Optical lens measuring system

Optical

Resolution test chart

Resolution

High velocity impact tester

High Velocity Impact

Drop ball and high mass impact test rig

High Mass & Drop Ball

Durability and deformation tester

Deformation

Spring temple durability tester

Endurance

Steel wool abrasion tester

Abrasion

Polarized axis test rig on a head form

Polarized Axis

Compliance

Where we stand.

DZCC ISO 9001:2015 certified mark
Quality management ISO 9001:2015 Certified · valid to September 2029 Cert. DZ/TW/2609147Q · Dazhong Certification (DZCC), IAS-accredited MSCB-235, IAF MLA
Social compliance amfori BSCI Audit scheduled · October 2026
Sustainability GRS Available on request
Third-party testing SGS · Intertek · ICS On customer request

Customer audits welcome at any time.

Development

Two ways in.

Existing Style

Adapt a style we already tool.

  1. Style selection
  2. Customization
  3. Sampling
  4. Approval
  5. Production

New Style

Start from a concept or a sketch.

  1. Concept & sketch
  2. 2D & 3D design
  3. Prototype
  4. Tooling
  5. First shot & sampling
  6. Approval
  7. Production

Lead times quoted with your enquiry.

Solar array covering the roof of the Meng Tai Eyewear plant in Tainan

Responsibility

Powered by Renewable Energy

Our manufacturing facility in Tainan, Taiwan is equipped with a 183.04 kW rooftop solar photovoltaic system, supporting our commitment to more sustainable manufacturing.

183.04kW Installed Solar Capacity
157,752kWh Generated 23 Feb – 18 Sep 2026
69% Consumed on site
≈73.5metric tons CO₂e Avoided in that period

Metered generation, 2026. Avoided emissions calculated with Taiwan's 2025 industrial electricity emission factor of 0.466 kg CO₂e/kWh, published by the Ministry of Economic Affairs.

Green energy

Solar from our own roof.

Sustainable materials

Recycled and bio-based options.

Process efficiency

More output, less material.

Workplace safety

PPE, guarding, documented procedures.

Contact

Send us a drawing.

A 2D drawing, a 3D file or a sample — with quantity, material and market. We come back with feasibility, tooling approach and a price.

Contact
Michael Chang — Sales Director
Factory
No. 27, Ln. 318, Sec. 2, Anhe Rd.,
Annan Dist., Tainan City 709, Taiwan
Languages
English · 中文

Enquiry

Or email us directly at [email protected] — drawings and samples welcome.