Company Profile | Tokai Spring industries, Inc.

About Us

Since our founding, we have been trusted with our clients' spring-related problems,

building our own custom-made production system and producing a wide variety of springs.

Tokai Spring's Forum

Company Name and Location

Tokai Spring industries, Inc.

Main office: 12F Nishihon-machi Intes, 2-3-10 Nishihon-machi, Nishi-ku, Osaka 550-0005 Japan
Tel: +81-6-7507-2647 Fax: +81-6-6541-3592
Toyooka, Kamiyoshidai Factory: 157-21 Kamiyoshidai, Toyooka, Hyogo 668-0831 Japan
Tel: +81-796-29-5730 Fax: +81-796-29-5750

Main Products

Metal spring manufacturing
• Hot-formed compression springs
• Cold-formed compression springs
• Disc springs
• Flat springs

Special Features

High-level technology and development capabilities to support high-quality springs and highly complex springs
High-mix low-volume manufacturing → A five-lot-average-orders
We support manufacturing from one single spring with our fully custom-made production system!
We have the No. 1 market share for:
- • Disc springs for machining centers
- • compression springs for safety valves
- • Safety equipment for sluice gate ,Gate robots
Manufacturing large springs is also our forte
- • Compression springs: max. material diameter = 90 mm / max. coil outer diameter = 600 mm
- • Disc springs: max. outer diameter = 600 mm
Complete R&D system
ISO-9001, ISO-14001, and JIS Q 9100 (equivalent to AS9100,EN9100)

Basic Information

[ Capital ]: JPY 96,445,000
[ Number of employees ]: 86
[ Director ]: Representative Director Naokazu Natsume
Senior Managing Director Yukihiro Tsuboguchi
Director Shuji Watanabe
Auditor Hideaki Takahashi

Delivery record

AICHI STEEL CORPORATION　China Steel Corporation　CKD Corporation.
DMG MORI. CO., LTD.　FANUC CORPORATION　FUKUI SEISAKUSHO CO., LTD.
FUKUSHIMA LTD.　Honda R& D Co.,Ltd　IHI Corporation　Individual customer
Japan Railways Group　JAXA　JFE Steel Corporation
Kawasaki Heavy Industries, Ltd.　Kobe Steel, Ltd.
KOBELCO Construction Machinery Co.,Ltd.　Komatsu Limited
KYOKUTO KAIHATSU KOGYO CO., LTD
MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
Mitsubishi Heavy Industries, Ltd. Mitsubishi Hitachi Power Systems, Ltd.
Moog Control System (Shanghai) Co. Ltd.　MOOG JAPAN LTD.
NEC Corporation　Nippon Cable Co., Ltd.　NIPPON STEEL CORPORATION.
NISSIN ELECTRIC Co.,Ltd. OKANO VALVE MFG.CO.LTD. Okuma Corporation.
RIKEN, Japan. SHARP CORPORATION Shimadzu Corporation TAIYO, LTD.
The University of Tokyo TOSHIBA CORPORATION Yamaha Motor Company
Yamazaki Mazak Corporation.

About us