About us

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  • About us

SOYO Co., Ltd. is the trading company that specializes in a wide range of industrial materials,
especially in state of the art materials such as glass fiber.
In 2017, we celebrated the 70th anniversary of our establishment.
We deal in a wide range of fiber reinforced plastic (FRP & FRTP) molded products and their raw materials,
including Nitto Boseki's glass fiber products,
and are highly evaluated in the industry as a molded products expert.

Capital structure

Our capital is 100% owned by Nittobo.
We will take care of your various needs by taking advantage of the strengths of the parent company,
product variety and agility special to a company of Nittobo Group.

Organization chart

In collaboration with the Nittobo's glass fiber division,
we conduct sales activities based in Tokyo, Osaka, and Nagoya.
We are also familiar with import and export,
and able to take care of customer's needs internationally.

Nittobo Glass Fiber Division Nittobo Glass Fiber Division
SOYO Co., Ltd. SOYO Co., Ltd.
Head Office
Osaka Branch
Nagoya Branch
Tokyo Sales Dept.
Osaka Sales Dept.
Nagoya Sales Dept.
Administration Dept.

History

1947
Established as SOYO Trading Co., Ltd.
Started dealing in glass fiber and glass wool.
1965
Started dealing in PCB / CCL / FRP products.
1975
Reorganized the capital structure to become Nitto Boseki 60% and Hitachi Kasei 40%.
1978

Established two wholly owned subsidiaries for the purpose of specializing and streamlining sales in response to market needs.
Kansai SOYO Co., Ltd.: Expanding sales in the Kansai area.
Shinwa Denzai Co., Ltd.: Specializing in the sale of electronic device-related materials.

1997
Changed to the current company name: SOYO Trading Co., Ltd. → SOYO Co., Ltd.
2002
Merged with Kansai Soyo Co., Ltd.
2020
"Hitachi Kasei Co., Ltd." changed its trade name to "Showa Denko Materials Co., Ltd."
2022
Reorganized the capital structure to become Nitto Boseki 100%.