If you need to inquire about Bayer product, please contact us through the following telephone:

Hotline: 400-810-0360 (available by mobile or telephone)

We will try our best to provide you the information about Bayer products, but we can't propose any specific diagnosis and treatment suggestions for patients' conditions. If you have any discomfort after medication, please go to see your doctor and receive timely medical treatment.

If you want to report a side effect or quality complaint, please contact your health care professional (e.g. treating physician or pharmacist) or your local health authority, Inquiries can also be directed to:

If you observe adverse event after Bayer Animal Health product application, you can transfer the information to us directly by:

To ask other question about Bayer China, please send e-mail to .

Science prize for Bayer employees
The Otto Bayer Medal
The Otto Bayer Medal recognizes the outstanding achievements of scientists at the Bayer Group. The medal is awarded for successful research contributions to new products, applications and innovative technologies.
The Otto Bayer Medal
The Otto Bayer Medal is presented every two years at the annual Bayer Science Day, which is attended by about 800 researchers. The wide spectrum of projects recognized by the award underlines the overriding importance of research at the Group.
The Otto Bayer Medal is awarded in memory of the inventor of polyurethane chemistry and former Head of Research at Bayer AG, Professor Otto Bayer (no relation to the company founder), who died in 1982. Otto Bayer promoted intensive dialogue with higher education institutions and supported university education. A total of 528 researchers from the Bayer Group have received this medal since 1984.
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Last updated:2019-11-06