
Welcome to
our factory.
LIEN YA / TAIWAN
Made here.Built for you.
Custom fasteners.
A factory you can work with.
Small parts.
Made to matter.
Different forms. Different functions.
Made around your drawing.
One part.
The right sequence.
Forming, machining and inspection work together. Explore the operations behind your next component.
PROCESS / 01Shape the starting point.
Build the core geometry with a forming route matched to the material and part. Two in-house 36B cold formers support production, with additional forming capacity available through manufacturing partners.
PROCESS / 02Bring every feature together.
Turning, milling, drilling and grinding add the profiles and functional features your drawing requires. The machining route is selected around the geometry, material and production quantity.
PROCESS / 03Make the connection.
External thread rolling and internal tapping complete threaded components. Thread form, fit and the relevant gauge requirements are reviewed against the drawing.
PROCESS / 04Check what matters.
Dimensional, profile, surface and thread checks support production verification. The inspection plan starts with your critical features and required documentation.
LIEN YA / FROM DRAWING TO COMPONENT
A closer look.
At every detail.
Good manufacturing needs a way to check the result. Our lab brings dimensional measurement, hardness, surface, contour and thread checks into the production process.
Step inside our lab ↗Since 1988.
Still making
things happen.
From a workshop in Tainan to a factory producing custom fasteners and metal components, our story has always been about making things — and learning how to make them better.
Get to know Lien Ya ↗
Bring the drawing.
Let’s work out the details.
A clear production route begins with clear requirements.
- 01
Share
Drawing, material, quantity and application.
- 02
Review
Manufacturing route, critical features and quotation.
- 03
Approve
Agree samples and inspection requirements.
- 04
Produce
Production, verification and delivery arrangements.



