Heiwa Hatsujyo Industry | custom made of spring products



We support creativity with our spring products


HHK products are used in the every industry field.

HHK's proposal

We provide fastener parts including patented products such as spring washers with
public process patents and disc springs for bolts with hexagonal sockets and PS lock washers.
We also propose solutions to respond to our customer's request.

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About our made-to-order

Made-to-order is one of our strengths. We constantly strive for innovative technology development.

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