Branches & Laboratories

Head Office

Shiodome City Center 16th floor, 1-5-2 Higashi-Shimbashi, Minato-ku, Tokyo 105-7117
Tel: +81-3-6253-4500 Fax: +81-3-6253-4980

Nagoya Office

Nagoya Mitsui Building 8th floor, 1-24-30 Meieki-minami, Nakamura-ku, Nagoya-shi, Aichi 450-0003
Tel: +81-52-587-3608 Fax: +81-52-587-3624

Osaka Office

Shinanobashi Mitsui Building 8th floor, 1-11-7 Utsubo-Honmachi, Nishi-ku, Osaka-shi, Osaka 550-0004
Tel: +81-6-6446-3260 Fax: +81-6-6446-3261

Fukuoka Office

Tenjin Mitsui Building 7th floor, 2-14-13 Tenjin, Chuo-ku, Fukuoka-shi, Fukuoka 810-0001
Tel: +81-92-715-6936 Fax: +81-92-715-2816

Automotive Materials Laboratory /
Materials Technology Laboratory

580-30 Nagaura, Sodegaura-shi, Chiba 299-0265

Packaging & Industrial Materials Laboratory

Mitsui Chemicals Ichihara Works, 3 Chigusa-kaigan, Ichihara-shi, Chiba 299-0108

Ichihara Works

Mitsui Chemicals Ichihara Works, 3 Chigusa-kaigan, Ichihara-shi, Chiba 299-0108

Anesaki Works

Idemitsu Kosan Chiba Plant, 1-1 Anesaki-kaigan, Ichihara-shi, Chiba 299-0193

Osaka Works

Mitsui Chemicals Osaka Works, 1-6 Takasago, Takaishi-shi, Osaka 592-8501