Sakai Chemical Industries Co., Ltd.

Established the Sakai Refinery in a corner of the current Sakai plant and began production of zinc oxide

Established the Sakai Refinery in a corner of the current Sakai plant and began manufacturing zinc oxide

Reorganized as a partnership company

Started production of nickel, sulfur, and carbon barium

Reorganized as a corporation (capital 2,000 thousand yen)

February 25, 1932 (Founded June 25, 1918)

Organizational change to a corporation (capital 2,000 thousand yen)

Changed the company name to Sakai Chemical Industries Co., Ltd.

Successfully achieved industrial production of the first anatase-type titanium dioxide in Japan

Established Sakai Trading Co., Ltd. (expanded into raw material and product import trade)

Started production of stabilizers for vinyl chloride

Our shares listed on the Osaka Stock Exchange

Started production of metal soaps for vinyl chloride

Manufactured and sold road marking material (Linefort)

Establishment of Osaki Industrial Co., Ltd.

Our shares listed on the Tokyo Stock Exchange

Completed the Konanbama plant (to meet increased demand for titanium dioxide)

Established Kaigen Co., Ltd. (absorbed Kaigen Co., Ltd.)

Yumoto Plant Completion

Izumihoku Plant Completion (Catalyst Manufacturing Commenced)

Established Linefort Industrial Co., Ltd. (expanded into traffic safety measures)

Selective Catalytic Reduction Catalyst Manufacturing Commenced

Daiken Manufacturing Plant Completion

Commenced commercial production of electronic ceramic materials

Acquired sales rights from Tomioka Chemical Co., Ltd. (full expansion into organic chemical products)

Acquired shares of Kyohaku Pharmaceutical Co., Ltd. (strengthened the resin additive business foundation)

Completed the research and development center

Established SAKAI CHEMICAL (VIETNAM) CO., LTD. (full overseas expansion of the resin additive business)

Integrated and strengthened the organic chemical products business into SC Organic Chemical Co., Ltd. (formerly Tomioka Chemical Co., Ltd.)

Acquired all shares of Katayama Pharmaceutical Co., Ltd. (expanding into pharmaceutical active ingredients and intermediates)

Established Kaigen Pharma Co., Ltd. (integrating our pharmaceutical business, Kaigen Co., Ltd., and Kyosei Pharmaceutical Co., Ltd.)

Transferred Linefort Industries Co., Ltd. to Nichirei Co., Ltd.

Made SIAM STABILIZERS AND CHEMICALS CO., LTD. a subsidiary (strengthening overseas expansion of resin additives business)

Absorption Merger with SC Organic Chemical Co., Ltd.