Chuo Spring Co., Ltd.

Established Central Spring Manufacturing Plant in Tsukimi-cho, Naka-ku, Nagoya-shi

Founded: March 1925 (Taisho 14)

Founded

Commenced production of aircraft springs (image)

Commenced production of aircraft springs

Established Central Spring Manufacturing Plant in 4-chome, Gandomachi, Minami-ku, Nagoya-shi (image)

Established Central Spring Manufacturing Plant in 4-chome, Gandomachi, Minami-ku, Nagoya-shi

Commenced production of aircraft valve springs and chassis springs

Renamed company to Chuo Spring Co., Ltd.

Completed Narumi Factory in Narumi-cho, Aichi-gun, Aichi Prefecture (current location) (image)

Completed Narumi Factory in Narumi-cho, Aichi-gun, Aichi Prefecture (current location)

Dissolution of the former company on the same day

Established new Chuo Spring Co., Ltd. under Corporate Reconstruction and Maintenance Act, dissolved former company

Established: December 25, 1948 (Showa 23)

Established

Designated as JIS listed item for spring gold (display permission number 1990) (image)

Designated as JIS listed item for spring gold (display permission number 1990)

Renamed company back to Chuo Spring Co., Ltd.

Start of operations at San'yō Factory

Received Minister of International Trade and Industry Award for headquarters factory and excellent thermal management factory

Received PM Excellence Plant Award (Hekinan Factory)

Completed Miyoshi West Factory, mass production of transmission cables

Listed on Tokyo Stock Exchange Second Section

Capital participation in Seplas Co., Ltd.

Established technology center in Miyoshi

Capital participation in Chuhatsu Seiko Co., Ltd.

Listed on the First Section of the Tokyo Stock Exchange and Nagoya Stock Exchange markets

Merged with CHUO PRECISION SPRING GLASGOW, INC. in February 2017 and renamed to CHUHATSU NORTH AMERICA, INC.

Obtained ISO9001 certification for the design, development, and manufacturing of vehicle engine valve springs and knit mesh products

Obtained ISO9001 certification for the design, development, and manufacturing of window opening/closing devices

Obtained ISO9001 certification for the design, development, and manufacturing of fingerprint matching devices and magnetic displacement sensors for electronic musical instruments

Obtained ISO9001 certification for the design, development, and manufacturing of transmission control cables

Obtained ISO9001 certification for the design, development, and manufacturing of suspension coil springs, and obtained ISO14001 certification at the Fujioka plant (manufacturing automotive suspension springs and control cables) in April 2001; merged with ACK CONTROLS INC. in February 2017 and renamed to CHUHATSU NORTH AMERICA, INC.

Capital participation in F.E.C. Chen Co., Ltd.

Renamed to Tianjin Longxing Spring Co., Ltd.

Renamed to CHUHATSU (THAILAND) CO., LTD.

[Tianjin Longxing] Renamed from Tianjin Zhongfa Fuo Spring Co., Ltd. to Tianjin Longxing Spring Co., Ltd. and became a subsidiary

Good Design Award for Zhongfa Sales & Relax "Barrier Reel mini Portable"

Good Design Award for Zhongfa Sales & Relax "Relax Air S" and "Barrier Reel Long"

Opening of Hiroshima Office

Opening of Guangzhou Branch of Kunshan Zhonghe Spring Co., Ltd.

Opened the "Spring House" daycare

Obtained certification as a Health Management Excellence Corporation

Established an Asia regional headquarters

ODDS:® received the 75th Auto Technical Society Technical Development Award for the first time (joint award with Toyota Motor Corporation)

Signed a technical support agreement with Suprajit Engineering Limited of India