About Kutmasta

KUTMASTA is a producer of high quality goods, including the 45s Adapter, all made in Japan.

Showa steel Co.,LTD., was founded in Tokyo in 1937 ,at which time it was a producer and distributor of various metal goods such as dies, blades, and car parts. Since 2013,  Showa steel has also been involved in the design and production of other metal goods.

Showa steel  along with KUTMASTA, are dedicated to producing high quality products to fit every customer’s needs.


Name: Showa steel Co., Ltd.
Established: 1937

Executive Director: Norihiro Tani

Capital: 20,000,000 JPY

Address: 2-5-5 Showa-machi, Kita-ku, Tokyo 114-0011 Japan

Phone: +81-3-3893-5201
Fax: +81-3-3893-5525

Business: Distribution of metal and non-ferrous metal materials and parts/import and export/OEM


© 2015 Kutmasta | Showa Steel | kurodon I Photos by Takashi Toyoshima

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