It produces a top fermented beer called Reissdorf Kölsch.

Since 1968, the brewery in Cologne has been advertising on Aachener Straße with a moving neon sign in which a male lifts a glass of Kölsch to his mouth at a 90-degree angle.

[2] As the glass is emptied, the man's body fills with Kölsch, represented by neon lights lighting up from bottom to top.

The advertisement alternately depicts a male and a female person.

You can help Wikipedia by expanding it.This German corporation or company article is a stub.