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Domestic Group Company Information

Taiyo Group

Includes "Taiyo Chemicals" and "Taiyo Unimak"
For information on the entire Taiyo Group, please click here

Company name	Taiyo Giken Co., Ltd.
Address	〒644-0003 584, Shima, Gobo City, Wakayama Prefecture
Phone Number	0570-001-181 Guidance will be provided via Navi Dial.
area	Site area: 19,198 square meters (head office and factory)　 Building: 9,200 square meters
Business Overview	Injection Molding Business Resin Compound Business Mahjong equipment manufacturing business Mahjong class management business R-PET tableware manufacturing business Culvert manufacturing business
Bank	Kiyo Bank/Gobo Branch Mitsubishi Tokyo UFJ Bank/Tanabe Branch Sumitomo Mitsui Banking Corporation/Wakayama Branch

Factory, branch and sales office information

Mihama Factory	Zip code:644-0044　 90, Wada, Mihama-cho, Hidaka-gun, Wakayama Prefecture
Osaka Branch	Zip code:540-0026　 Osaka, Osaka City, Chuo-ku, Uchihonmachi, 2-3-8, ２-３-８, Uchihonmachi, Chuo-ku, Osaka City, Osaka
Tokyo Sales Office	Zip code:105-0004　 Tokyo, Minato-ku, Shimbashi, 2-16 -1, New shimbashi Building, #617 TEL：03-3519-5522　 FAX: 03-3519-5543 *For inquiries regarding mahjong tables, please contact our Tokyo office.
Hokuriku Sales Office	Zip code:922-0831　 1-90-1, Saiwaimachi, Kaga City, Ishikawa

Group overseas offices information

Shaoxing Taiyo Plastic Co., Ltd.	Shangpu Town Industrial Park, Shangyu District, Shaoxing City, Zhejiang Province, CHINA Representative: Jin Mingqian　 URL: http://www.taiyopl.com/
Qingdao Lili Industry and trade Co., Ltd	５００M north to houguzhen community, xiazhuang subdistrict, chengyang district, qingdao city, Shandong Province, CHINA Representative: Luan Pishuai

History

Taiyo Group

For the history of the entire Taiyo Group,
Have a look at this

1954

Enterprise-wide

The parent company, Taiyo Chemicals Co., Ltd., was established as a factory for producing urea resin buttons.
1956

Injection Molding

Developed urea resin base material for lacquerware
1963

Mahjong Products

Development of mahjong tiles begins
(Production began the following year, in 1964)
1975

Mahjong Products

Mahjong tiles and other mahjong-related products
Automatic molding system completed
1983

Injection Molding

For plastic coating of cast gas pipe fittings
success
1984

Injection Molding

Introduced NC electric discharge machines and strengthened the mold manufacturing department.
1985

Enterprise-wide

Taiyo Chemicals Co., Ltd.'s capital increased to 2,500 million yen.
Double capital increase
1987

Enterprise-wide

On West Co., Ltd. established (April)
1988

Mahjong Products

Successfully developed a fully automatic mahjong table
Started manufacturing and sales
1998

Enterprise-wide

Quality Control SEC established
1999

Enterprise-wide

JIS mark for polybutene pipe fittings for water supply
Becomes a certified factory
On West Co., Ltd. changed its name to Taiyo Studio Co., Ltd.
2001

Injection Molding

Kickoff towards obtaining "ISO9001・2000" certification
Started manufacturing plastic joints for floor heating and baths.
2002

Enterprise-wide

"ISO9001・2000" certification
Obtain
Manufacture of electric floor heating panels
Development of recycled PET
2004

PET Recycling

Two of our eco-products, "Kids Mate" and "Eco Hands," have been certified as Wakayama Prefecture certified recycled products.
Obtained "ISO14001" certification
2014

Enterprise-wide

Taiyo Giken Co., Ltd. is established.
(Manufacturing division etc. spun off from Taiyo Chemicals Co., Ltd.)
2018

Mahjong Products

With the launch of the professional mahjong league "M League," we began providing automatic tables as the official supplier.
2019

Mahjong Products

Launched the official EC site for our mahjong product brand "AMOS"
2024

Enterprise-wide

New warehouse completed

Contact

Please feel free to contact us with any questions about our products or services, or to discuss partnerships or transactions.
We will respond to your requests promptly and courteously.

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