Mediathek

Trenkwalder starts with Trenkwalder Learning a European online marketplace, which provides easy access to training courses for employees.

HAL Allergy is a modern company with high quality pharmaceutical GMP manufacturing and research facilities located in the Leiden Bio Science Park. With offices in seven European countries, we are one of the top European players in the field of allergy diagnostic and treatment. Since 1959 we have gained experience in developing, producing and selling allergy therapies for the treatment and prevention of allergic diseases. These immunotherapies are used primarily against common allergies such as hay fever, house dust mite allergy and allergic reactions towards wasp or bee stings.