Mar. 1925 | Started the production factory of steel spring in Tsukimicho, Naka-ku, Nagoya, named CHUO SPRING MANUFACTURING. |
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Nov. 1930 | Started production of aircraft engine valve springs. |
Jan. 1931 | Relocated the factory(Nagoya Plant) to Ganmichi-cho, minami-ku, Nagoya, and Founded CHUO SPRING SEISAKUSHO Co., Ltd. |
Oct. 1931 | Started production of valve springs for aircraft engine and machine gun and large springs for automobile. |
Apr. 1936 | Changed the company name to Chuo Spring Co., Ltd. |
Apr. 1941 | Constructed Narumi Plant(current head office) in Narumi-cho, Aichi-gun. |
Dec. 1948 | According to the adjustment plan based on Industrial Readjustment Act, established the second company, NEW CHUO SPRING Co., Ltd., settled its Head Office in Narumi and dissolved the original company. |
Nov. 1952 | Product, `spring washer’ was designated as JIS item(JIS Indication permit No. 1990). |
Mar. 1954 | Changed the company name to “CHUO SPRING Co., Ltd”. |
Oct. 1961 | Listed on the second sections of the Nagoya Stock Exchange. |
Apr. 1964 | Started operation of Hekinan Plant. |
Nov. 1966 | Established Chuhatsu Hanbai Co., Ltd. ( Absorbed Chuhatsu Sales Co., Ltd. as subsidiary company in June 1995.) |
Nov. 1968 | Started operation of Miyoshi Plant. |
Oct. 1970 | Established subsidiary company, Chuhatsu Unyu Co., Ltd. |
Feb. 1977 | Awarded good heat control for Narumi Plant by MITI. |
Jun. 1977 | Invested the capital to Togo Cable Co., Ltd. ( Absorbed Togo Cable Co., Ltd. as subsidiary company in June 1982.) |
Sep. 1978 | Received PM prize for Hekinan Plant. |
Feb. 1982 | Started operation of Miyoshi West Plant. |
Jan. 1985 | Listed on the second sections of the Tokyo stock Exchange. |
Feb. 1985 | Invested the capital to CEPLUS Co., Ltd. and absorbed it as subsidiary company. |
Aug. 1985 | Established Technical Center in Miyoshi-cho, Nishikamogun Aichi Pref. |
Mar. 1986 | Invested the capital to Chuhatsu Seikou Co., Ltd. and absorbed it as subsidiary company. |
Sep. 1986 | Listed on the first sections of both the Tokyo Stock Exchange and Nagoya Stock Exchange. | Aug. 1987 | Established TAIWAN CHUHATSU FACTORY, Co., Ltd. in Taiwan, (became a subsidiary company in Aug.1990). |
Aug. 1988 | Started operation of Fujioka Plant. |
Sep. 1989 | Established ACK CONTROLS Inc. (joint company) in U.S.A. (became a subsidiary company in Jan. 1992). Merged with CHUO PRECISION SPRING GLASGOW,INC. in U.S.A., and changed the company name to CHUHATSU NORTH AMERICA,INC. in Feb. 2017. |
Apr. 1990 | Invested the capital to P.T. TRI. SATRIA UTAMA in Indonesia.(became a subsidiary company in Dec. 2000,changed the company name to P.T. CHUHATSU INDONESIA in Jul. 2001) |
Jun. 1990 | Invested the capital to TOMEI CABLE TELEVISION Co., Ltd.(The current company name is Chubu Cable Network Company, Inc.) |
Apr. 1992 | Established CHUHATSU TECHNICAL SCHOOL (within Miyoshi Plant). |
Jun. 1996 | Established CHUO-THAI CABLE Co., Ltd. in Thailand (became a subsidiary company in Sep. 1997,changed the company name to CHUHATSU (THAILAND) CO., LTD. in Jun. 2014.) |
Jun. 1996 | Established GIFU-CHUHATSU Co., Ltd. as a subsidiary company. |
Jun. 1997 | Registered ISO-9001 for “Design, development, and manufacturing of engine valve spring and knitted wire mesh products for automobiles”. |
Jan. 1998 | Registered ISO-9001 for “Design, development, and manufacturing of window operating systems”. |
Jul. 1998 | Registered ISO-9001 for “Design, development, and manufacturing of fingerprint identification system and displacement sensor for electronic musical instrument”. |
Sep. 1998 | Registered ISO-9001 for “Design, development, and manufacturing of transmission control cables for automobiles”. |
Dec. 1998 | Celebrated 50th anniversary of the company establishment. |
Mar. 1999 | Registered ISO-9001 for “Design, development, and manufacturing of suspension coil spring for automobiles”. |
Mar. 1999 | Established TC Springs Ltd. in India as a subsidiary company. |
Aug. 1999 | Established Mubea Chuo SA. in Germany. |
Mar. 2000 | Chassis Spring Div. Precision Spring Div. Control Cable Div. become the registered firm of QS 9000. |
Mar. 2001 | Established CHUO PRECISION SPRING GLASGOW, INC. in U.S.A. as a subsidiary company. Merged with ACK CONTROLS INC. in U.S.A., and changed the company name to CHUHATSU NORTH AMERICA,INC. in Feb. 2017. |
Mar. 2001 | Invested the capital to FEC Chain Corporation and became a associated company. |
Apr. 2002 | Established Rozmas Chuo Springs in Turkey. |
Aug. 2002 | Established Chuo Mubea Suspension Components Co. in U.S.A. |
Sep. 2002 | Established Kunshan Chuhatsu Lioho Machinery Co., Ltd. in China. |
Feb. 2003 | Invested the capital to Shanghai Chisca Autosuspension Components Co.,Ltd. in China. |
Sep. 2003 | Established Tianjin Chuhatsu Huaguan Machinery Co., Ltd. in China. |
Oct. 2003 | Established Tianjin Chuhatsu Fawer Spring Co., Ltd. in China,changed the company name to Tianjin Longxing Co., Ltd. in Jul. 2014. |
Mar. 2004 | Established Kunshan Chuho Spring Co., Ltd. in China. |
Jun. 2005 | Established Tianjin Zhongxing Automotive Components Co., Ltd. in China. |
Apr. 2006 | Invested the capital to FUJIOKA-CHUHATSU Co., Ltd and absorbed it as subsidiary company. |
Apr. 2007 | Established subsidiary company, NAGASAKI-CHUHATSU Co., Ltd. |
Apr. 2007 | Established subsidiary company, Chuhatsu Techno Co., Ltd. |
Dec.2008 | Celebrated 60th anniversary of the company establishment. |
Apr. 2011 | Established subsidiary company, REELEX CO., LTD. |
Feb. 2012 | Established subsidiary company, P.T. CHUHATSU TECHNO INDONESIA in Indonesia. |
Nov. 2013 | Established Xiaogan Zhongxing Automotive Components Co., Ltd. in China, changed the company name to Xiaogan Chuhatsu Lioho Automotive Components Co., Ltd. in Apr. 2016. |