What's the key to the success of the Storck brands? The excellent product quality. New products are developed in-house, and all candies are manufactured in-house in Germany. Carefully selected raw materials as well as company-owned and certified factories and stringent quality control procedures all contribute to this product excellence. The outstanding confidence consumers have in Storck products is due to this quality and the pleasure they get from enjoying Werther's Original, merci, Toffifay, Riesen or Mamba.