Trade name
SIGMA CORPORATION

Representative
Toshitaka Shitanaka
Head office location
9-2-28, Kegoya, Kure city, Hiroshima prefecture, 737-0012 Japan
Tel: 0823-28-0121
Fax: 0823-28-4326
Head office and plants
Metal forming: |
9-2-28, Kegoya, Kure city, Hiroshima prefecture, 737-0012 Japan
Phone: 0823-28-0121
Fax: 0823-28-4326 |
Kurose plant
Plastic molding: |
367-72, Tsue, Kurose-cho, Hiroshima city, Hiroshima prefecture, 739-2732 Japan
Phone: 0823-83-6237
Fax: 0823-83-6238 |
| Toyokawa Sales Office |
Moved to the address below
(March 2009)
|
Tokai Branch
Tokai Sales Office |
7-27 Motoshiro-cho, Shimizu-ku,
Shizuoka-city, Shizuoka 424-0819
Phone: 054-368-6440
Fax: 054-371-9103 |


Next Generation Products R&D Office
Tokai Branch
Tokai Sales Office |
7-27 Motoshiro-cho, Shimizu-ku,
Shizuoka-city, Shizuoka 424-0819
Phone: 054-371-9102
Fax: 054-371-9103 |

| Hiroshima Sales Head Office |
3-4-37, Minamimachi, Minami-ku, Hiroshima city, Hiroshima prefecture, 734-0007 Japan
Phone: 082-250-6022
Fax: 082-250-6023 |
| Tokyo Sales Head Office |
Nishi-Shinjuku Sanko Building 1F, 7-22-35, Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023 Japan
Phone: 03-5337-2703
Fax: 03-5337-2704 |
| Development Plant |
9-3-15, Kegoya, Kure city, Hiroshima prefecture, 737-0012 Japan
Phone: 0823-28-2118
Fax: 0823-28-4326 |

Name of Chinese plant
SIGMA PRECISE MACHINERY (JIANGSU) CO., LTD.
Location: No.1 Machine Industry Garden East Beijing Road Jiangsu Danyang Economic Development Zone
Phone: 0511-86989101
Fax: 0511-86989103
Capital
\45m
Annual Sales
JPY 4.135 Billion (May 2008 - April 2009)
Number of Employees
210
Business Lines
Production and sales of precision parts for transport machines
Production and sales of security devices
Production and sales of inspection devices using laser light to detect flaws
Overseas trade
(Not in order)
1937
Established at 7, Kegoya St. (currently 3 Kegoya), Kure city

1947
Became the designated plant of Toyo Kogyo Co., Ltd. (Mazda Co., Ltd.)

1962
Converted the firm into Shitanaka Machine Tool Co., Ltd., a corporation with capital of \5m.

1963
Moved the plant to a new location at 9-3-15, Kegoya, Kure city.

1973
Built a new plant at 9-2-28, Kegoya, Kure city.

1982
Obtained recognition from Mazda Co., Ltd as a quality manufacturer.
Established facility to process gear parts.

1985
Established cold forging (header) plant with advanced cutting equipment for manufacturing automatic transmission gear parts.

1988
Built new plant with plastic molding equipment.
Started in-house manufacture of cold-forging dies and plastic-molding dies.

1990
Changed the company name to Sigma Co., Ltd.

1994
Developed and introduced security products.
Introduced "Torujyun 1"

1995
Introduced "Torujyun 2" and "Wall gate".

1996
Received recognition from Mazda Co., Ltd. as a high-quality manufacturer.
Established the Toyokawa Office.
Developed and started volume production of hydraulic sensors for automatic transmission systems.
Obtained patent on headrest arm.

1997
Received supplier quality system requirement certification from US Rockwell.

1988
Established SIGMA & HEARTS CO., LTD., a corporate joint venture, in Thailand.
Received QS-9000, ISO-9001 accreditation.
Received FSS (Full Service Supplier) certification from Mazda Co., Ltd.
Start of Center Sales.

2000
Established Tokyo Office and Kyushu Office.
Introduced Wall Gate (Twin Hunter).
Introduced a human traffic measurement system (Frontier 2).

2001
Our plants were recognized by GM.
Built plant in Tsue, Kurose-cho, Kamogun (moved the plastic molding business to this plant)
Recognized by the Ministry of Economy, Trade and Industry as a corporation that initiates next-generation industrial projects.
Moved the head office of our security business to Minamimachi in Hiroshima city.

2002
Received ISO14001 accreditation.

2003
Received the Technology Pioneer Award from the Chugoku and Shikoku Chapter of the Japan Society of Mechanical Engineers.

2005
Established a facility for inspection devices using laser light to detect processing flaws.
2006
Recognized as a starter of projects that link different business lines to create new businesses (inspection devices using laser light to detect flaws)
2007
Established SIGMA PRECISE MACHINERY (JIANGSU) CO., LTD. in No.1 Machine Industry Garden East Bajing Road Jiangsu Danyang Economic Development Zone in China.

2007
Included in the "300 healthy small and medium sized manufacturers - 2007 Edition" published by the Small and Medium Enterprise Agency and the Ministry of Economy, Trade and Industry.

2008
Osaka Sales Office of Security Division opened

2009
Toyokawa Sales Office (Business Development Dept.) moved to Shizuoka-city as Tokai Sales Office