News

We exhibited at the Turbomachinery & Pump Symposia (TPS) 2025 held in Houston, Texas, USA, from September 16 to 18, 2025. We sincerely thank everyone who visited our booth. At our booth, we showcased and demonstrated high-speed gear units used in generators and other equipment.

02/02/2026

We would like to announce that effective January 1, 2026, the Power Transmission & Control (PTC) Division will change its organizational name.

12/19/2025

We would like to announce that the sales of SKK Gearmotors (AF Series, SF Series) will be discontinued.

01/06/2025

We renewed the website of Sumitomo Heavy Industries Gearbox Co., Ltd. We will provide you with more information in an easier-to-read format than ever before. Thank you for your ongoing support.

03/01/2024

On April 1, 2017, we, Sumitomo Heavy Industries Gearbox Co., Ltd(Kaizuka Factory), were integrated management with the Power Transmission and Control Group Gearbox Group(Okayama Factory) of Sumitomo Heavy Industries Co., Ltd.

04/01/2017

We founded as the Osaka Seisasho Co., Ltd., a chain manufacturing company in September 1916. After that, we start the manufacturing of gears and various transmissions, passed the 100th anniversary in September 2016. We will continue to contribute to our business partners, local residents, and other...

09/01/2016

We founded as the Osaka Seisasho Co., Ltd. in September 1916, and thanks to your support, we passed the 100th anniversary in September 2016. At this milestone, we changed our company name as follows in order to further strengthen our brand power as a member of our parent company, Sumitomo Heavy...

04/01/2016