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Latest update: 30/11/2016 18:15:58

Chugoku Seira Co., Ltd.

Our company possesses manufacturing technology for automotive nuts, bolts, and other parts.

Our company manufactures various products meeting customer needs, with a focus on automotive nuts and bolts. Our Y lock nuts, Y lock bolts, and D lock nuts in particular have excellent anti-loosening effects. We conduct R&D for our core technology of high-precision cold forging. We make use of the latest multi-stage cold heading equipment (6 stages) to manufacture precision cast, forged, and machined parts, and we provide high-quality products at reasonable prices. We also manufacture products from high-strength stainless steel materials using high-precision hot forging technology, and we process nonferrous metals such as copper and aluminum.


[Product description] We excel at multi-stage cold forging without machining, and we have some of the largest equipment in West Japan. We can also manufacture products from nonferrous materials, such as copper and aluminum.

[Product description] We machine products by applying our high-precision hot forging technology to high-strength stainless steel materials. We also manufacture nuts and bolts for automobile mufflers and engines. We have experience in providing products to part companies that belong to the groups of major automobile manufacturers in Japan.