Milestones

1917

Adeka was established to produce chlorine and caustic soda by salt electrolysis

1938

Established KANTO DENKA KOGYO CO., LTD.

1947

Established YOKO SANGYO CO., LTD

for the purpose of selling our products.　(the trade name was changed to ADEKA CHEMICAL SUPPLY CORP. in 2006)

1949

Listed its stock on the first section of the Tokyo Stock Exchange.

Best Elementor Addons Plugin.

1962

Established ADEKA ARGUS INDUSTRY CO., LTD

for the purpose of manufacturing and selling plasticizers and stabilizers for plastics.　(the trade name was changed to ADEKA ARGUS CHEMICAL CO., LTD. in

1965

Established ADEKA SWIFT CHEMICAL CO., LTD

as a joint venture with Swift of the US.

1973

Established ADEKA CLEAN AID CORP.

for the purpose of selling industrial detergent.

1988

Established ASAHI DENKA（SINGAPORE）PTE.LTD.

in Singapore.(now changed company name to ADEKA（SINGAPORE）PTE.LTD.)

1990

Merged with ADEKA ARGUS CHEMICAL CO., LTD.

1994

Established AMFINE CHEMICALS CORP. in the US.

1999

Established ASAHI DENKA EUROPE GmbH

in Germany.(now changed company name to ADEKA Europe GmbH)

2000

Established ASAHI DENKA KOREA CORP.

in South Korea.(now changed company name to ADEKA KOREA CORP.)

2003

Established ADEKA FINE CHEMICAL

(CHANGSHU) CO., LTD. in China.

2004

Established CHANG CHIANG CHEMICAL (SHANGHAI) CO., LTD. in China.

Established ADEKA FINE CHEMICAL TAIWAN CORP. in Taiwan.

Established ADEKA FINE CHEMICAL (THAILAND) CO., LTD. In Thailand.

2006

Changed company name from ASAHI DENKA CO., LTD.

to ADEKA CORP.. Moved headquarters to a new buildingin Higashi-ogu, Arakawa-ku, Tokyo from Nihonbashi,Chuo-ku.

2007

ADEKA INDIA PVT. LTD. established in India.

2008

ADEKA PALMAROLE SAS

acquires shares of PALMAROLE COMPOUNDS SA, polymer additives manufacturer in France.

2012

AMFINE CHEMICAL CORP.

in the USA established AM STABILIZERS CORP. for the purpose of manufacturing and selling vinyl chloride stabilizer in the USA.

Established ADEKA BRASIL LTDA. in Brazil.

2017

ADEKA （CHINA） CO., LTD.

established ADEKA FINE CHEMICAL (Zhejiang) Co., LTD. in China for the purpose of manufacturing and selling chemical products such as polymer additives.

2019

Mohammed Al Otaiba Group

acquires shares of ADEKA AL GHURAIR ADDITIVES LLC and changes its name to ADEKA AL OTAIBA MIDDLE EAST LLC.

2023

Acquired shares of Incubation Alliance

Inc. Made YONGO CORPORATION wholly owned subsidiary through simplified share exchange.