HOME | GUNMA SEIKO(THAILAND) CO., LTD.

Aluminum and iron cold forging integrated production plant

Gunma Seiko has been consistently working on establishing cold forging technology
since be established in 1968 by Mr.Takachi Marumo (丸茂隆千).

Gunma Seiko's management principles is "The drive to challenge and the sincerity of service"
we have been passionate about challenging new technology as a group of selected engineers.

The potential as a material hidden in aluminum, such as weight reduction and strength enhancement
and utilizied processing technology of cold forging which is plastic working.

Based on two of above, we deliver high-quality products to a wide range of fields
such as motorcycle and automotive, hydraulic equipment, leisure products such as fishing gear and boat, and OA equipment.

THE STRENGTH OF GUNMA SEIKO

We can manufacture cold forging of both aluminum and steel.

In Japan and Thailand, we have established a system that can produce two kinds of metals, aluminum and steel materials, in parallel.

Die design and manufacturing are in-house (GSJ).

Rally of cold forging technology is the Die technology. We are accumulating know-how by manufacturing the Die design and manufacturing in-house. In addition, it is linked with FEM analysis and is highly trusted by customers.