Company was established in 1898.
As a manufacturer of liqueurs company still existed in 1955, as a manufacturer of alcohol (Spirituosenfabrikation) even in 1950.
Probably sometime late 20th or the beginning of the 21st century existed in Bochum firm Albert Janzik Inhaber Reinhard Heydt.
The liquor factory was destroyed during World War II.
Here are full texts from the labels
de360: Deutsches Erzeugnis; 50% vol; Jamaica Rum Verschnitt; Albert Janzik, Bochum