deformed section steel Miya Steelworks in rolling and in wheel manufacturing, Japan Motor Wheel Co., Ltd.
Both companies, the origin of our company, developed and manufactured domestically produced products to replace imported products using their own technology,
They established themselves as pioneers in the industry.
- expansion
- Open-hearth factory under construction (1936)
Miya founder Toshihide Takatsuma
- expansion
- Open-hearth factory under construction (1936)
Miya Steelworks succeeded in rolling sash bars (window frames), which were imported at the time.
Adopted in the Marunouchi Building and many buildings rebuilt after the Great Kanto Earthquake
- expansion
- BS wheel made in Teikoku Hatsujo era
Founder Tadao Nonagase
Miya Steelworks started rolling wheel rims and ring bars.
Supplied to Teikoku Spring, which started manufacturing domestic wheels
Teikoku Hatsujo's wheel division became independent and Tokyo Sharin Seisakusho Co., Ltd. was established.
The company's wheels are used in Ford, GM Chevrolet trucks and domestic passenger cars
Under controlled economy, automobile wheel manufacturers such as Tokyo Sharin Seisakusho Co., Ltd. merged, and wheel Japan Motor Wheel Co., Ltd. manufacturer in Japan, was established.
Under controlled economy, Miya Steelworks and Tokyo Shearing Co., Ltd. merged to form Toto Steel Mfg., Co., Ltd.
