SEIKO CO., LTD. / AICHI, JAPAN
CAPABILITIES
Precision sheet metal fabrication.
Prototypes. Small batches. Custom metalwork.
From your drawing to a finished part.
A manufacturing company at the heart of Metal × Sheet Metal.
MANUFACTURING SERVICES
CAD, cutting, forming, joining, and machining — brought together around your project.
Laser cutting
Steel, stainless steel, and aluminum components cut from sheet.
CNC bending
Press brake forming. Equipment rated for a 4 m working length and 400 tonnes of force.
TIG / MIG welding
Welded steel, stainless steel, and aluminum assemblies.
Fiber laser welding
Precision joining for sheet metal components and assemblies.
CNC machining
Milling and turning for custom parts, shafts, bushings, and spacers.
2D / 3D CAD
Drawing and model review to prepare your project for manufacturing.
Metal fabrication
Prototype and low-volume fabrication, combining forming, joining, and machining.
Manufacturing feasibility depends on material, thickness, geometry, and tolerances. Equipment ratings describe the machine, not the maximum size or weight of every part.
MATERIALS
- Stainless steel
- Steel
- Aluminum
- Copper
- Brass
- Titanium
Tell us the grade, thickness, and finish your application requires.
APPLICATIONS
- Industrial equipment
- Aerospace
- Railway
- Semiconductor
- Robotics
- Research & development
Requirements and suitability are reviewed for each project.
WORKING WITH US
- Drawings in English
- Metric or inch dimensions
- PDF / DXF / DWG / STEP / IGES
- Prototype and low-volume inquiries
- NDA requirements discussed before file sharing
- International delivery arrangements confirmed per order
THE PEOPLE BEHIND THE PARTS
MADE WITH JAPANESE
CRAFTSMANSHIP.
SEIKO CO., LTD. is a metal fabrication company based in Aichi, Japan. With roots dating back to 1970, the company brings skilled craftsmanship together with CAD and manufacturing equipment.
Metal × Sheet Metal connects that work with music — giving the people behind manufacturing a place in the spotlight.
Meet SEIKO & explore our company →A CLEAR START FOR YOUR PROJECT
WHAT TO SEND US
A drawing or a short project brief is the best place to begin.
- Part drawing or 3D model, with dimensions and units
- Material grade, thickness, and quantity
- Critical tolerances, joining, and finish requirements
- Target delivery date and destination country
Not every detail is settled? Send what you have and tell us what still needs to be discussed.
BUILT AROUND YOUR PROJECT
Prototype friendly
Start the conversation with one prototype or a small production batch.
Drawing-led review
Discuss geometry, material, tolerances, and finish before agreeing a manufacturing plan.
Multiple processes
Combine sheet metal fabrication with welding and machining where your design requires it.
Clear scope & timing
Confirm price, lead time, inspection requirements, and delivery arrangements in the quotation.
SELECTED MANUFACTURING WORK
Real examples from SEIKO’s published portfolio. Each specification belongs to the individual project shown.
CASE 01
Railway entrance closure panel
A custom panel for a railway vehicle’s side entrance, manufactured to demanding drawing, welding, and bend-radius requirements.
- Application
- Railway vehicle
- Process / work
- Fabrication drawings · full-perimeter welding
- Project result
- Met a 0.5 mm bend-radius accuracy requirement
CASE 02
Highway display housing
A housing for an information display used to communicate traffic and incident information.
- Material
- A5052 aluminum
- Thickness
- 3.0 mm
- Process / work
- Aluminum fabrication
CASE 03
Complex curved panels
Different bend radii and adjoining panel gaps reproduced from 3D data before welding.
- Design input
- 3D data
- Process / work
- Complex bending · welding
FROM DRAWING TO DELIVERY
A practical path for overseas manufacturing inquiries.
- 01
Share
Send your drawing, material, quantity, target date, and delivery country.
- 02
Review
We discuss feasibility, missing specifications, and critical requirements.
- 03
Agree
Confirm the quotation, scope, lead time, payment terms, and delivery arrangements.
- 04
Manufacture
Production and inspection follow the requirements agreed for your project.
- 05
Deliver
Confirm packing, freight, and customs responsibilities for the destination.
LET’S BUILD SOMETHING TOGETHER
HAVE A FABRICATION
PROJECT IN MIND?
Tell us what you need. Let’s discuss feasibility and the next step.
MANUFACTURING INQUIRY
Share your material, quantity, target date, and drawing if available. For confidential files or an NDA, contact us before uploading.