SATTE SPRING CO., LTD.

SATTE SPRING CO., LTD.

ばねの極

Japan Quality

From Micro to Massive Springs crafted for any shape, size, or complexity.

SATTE SPRING CO., LTD.

About Us

Satte Spring Co., Ltd. is a specialized spring manufacturer, supplying high-quality products for a wide range of fields, including automobiles, construction, electronics, and medical equipment.
Based in Koga City, Ibaraki Prefecture, we are dedicated to manufacturing that meets the diverse needs of our customers.

SATTE SPRING CO., LTD.

Do you have any troubles like these?

✓ Do you need highly precise springs for electric vehicles, supplied with stable quality?
✓ Are you looking for a cost-competitive supplier in the European market?
✓ Do you need a partner who can flexibly handle both small-lot and mass production?

Let us handle it!

Our Strength

Our strength lies in our industry-leading processing range, handling wire diameters from 20 microns to φ12 mm, along with our ability to accommodate complex shapes.
From micro springs for medical use to large springs for bridge piers, we leverage advanced technology and expertise in special steels to propose optimal materials and specifications across industries.
We can even manufacture elliptical, square, or 1,000-meter-long springs upon request. This flexibility in manufacturing is the hallmark of Satte Spring.

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Main Products

Springs for Electric Vehicles
Of particular note are our EV springs manufactured at our China plant.
With a monthly production volume of 4 to 6 million units, these springs are supplied to major overseas automobile manufacturers.
They are highly regarded in the EV sector for their precision, stable supply, and cost competitiveness.
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China Factory
In addition to ISO 9001 and 14001 certifications, our China plant is IATF 16949 certified, ensuring a global quality assurance system.
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Service

Manufacturing of precision springs for diverse fields,
including automobiles (engines and EVs), construction, and electronic devices.

 

Main Products

■ Compression springs
■ Extension springs
■ Torsion springs
■ Torsion processing

Message

At Satte Spring, our philosophy is to deliver "high quality," "short delivery times," and "low cost" products to all customers worldwide.
We respond to the growing demand for EV springs in the EU with agility and flexibility as a global supplier.
For stable supply and assured quality, we invite you to consult with us.

SATTE SPRING CO., LTD.

PIC:Riki Sugai, President
Phone:+81-280-92-2665

Company

SATTE SPRING CO., LTD.

740 Koya, Koga City, Ibaraki Prefecture 306-0214, Japan

Phone +81-280-92-2665

Satte Spring

Representative
Riki Sugai, President
Date of Establishment
March 1983
Number of Employees
30 (as of July 2025)
Capital
10 million yen
Revenue
500 million yen
Overseas Base
China plant
Certifications
ISO 9001, ISO 14001, IATF 16949 (China plant)

Corporate Website

https://satte-spring.com/

Manufacturing Environment & Quality Control

Head Office Factory Overview

Our head office factory produces over 2 million springs per month.
We have established an integrated system covering forming, heat treatment, surface treatment, and inspection, while actively promoting automation to achieve both high productivity and quality.

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If you have any questions or concerns about our products, please feel free to contact us.

SATTE SPRING CO., LTD.

740 Koya, Koga City, Ibaraki Prefecture 306-0214, Japan

Phone +81-280-92-2665