Asahi Kasei and its core operating companies have different points of contact depending on the subject of inquiry.

Please note that it may take some time for us to respond to your inquiry, and that one of our Asahi Kasei Group companies may respond to you depending on the nature of your inquiry.

Product and business inquiries

Online and Telephone inquiry

Online inquiry

Inquiry form

Telephone inquiry

Phone +81-(0)3-6699-3000
9:00–12:00 and 13:00–17:45 JST (weekdays only, except Japanese holidays)