Product and business inquiries
For inquiries about specific products or services, please use the respective inquiry form.
For inquiries about other products and services, please search on the Business & Products page. If you are unable to find the relevant information, please use the inquiry form on this website.
Corporate Information Inquiry
Please see the FAQs before contacting us.
For inquiries regarding IR (institutional investors and analysts), individual shareholders and stock-related matters, sustainability, careers, press releases, or this website, please contact us via the web or by phone.
Please note that, depending on the nature of your inquiry, it may take some time for us to respond, or you may receive a response from an Asahi Kasei Group company. Thank you for your understanding.
Online inquiry
Telephone inquiry
Phone +81-(0)3-6699-3000
9:00–12:00 and 13:00–17:45 JST (weekdays only, except Japanese holidays)