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Latest update: 06/04/2023 16:20:47

Fuse-Seimitsu Spring Co., Ltd.

We manufacture and sell all manner of springs

We manufacture more than 4,000 types of springs per year through high-mix, low-volume production. We support a broad range of spring materials, special materials (Inconel, titanium, Hastelloy, SUS316L, etc.), wire diameters from 0.1 mm to 90 mm, and we handle a wide range of products from simple coil springs to complex metal bending processes (irregular shapes, thin wire work, wire forming).

Main image

Sales Pitch

Our Strengths
We possess a large number of high-performance machine lineups (UF/RX/MX, etc.)
New technology is created from the fusion of expert craftsmanship and state-of-the-art equipment. We have worked to improve our technology through early capital investment ahead of other companies. We can also mass-produce complex metal bending processes (irregular shapes, thin wire work, wire forming).
Thorough automation of heat treatment, in-house polishing
We have fully automated the heat treatment process for mass-produced products by connecting the tempering furnace (photo on the left). By going with full automation, we have achieved significant cost reductions. We also promote one-stop services such as in-house polishing operations (center photo). The secret to cost reduction is the automation of operations and conversion to in-house production.
Responsible system operated by a single craftsman
One craftsman is responsible (as a rule) for everything from material selection to completion. In addition to quality improvement by clarifying where responsibility lies, we plan to improve our ability to respond to high-mix low-volume production.