Welcome to
Kunststoffwerk Kremsmünster

KWK, founded in 1950, is known as highly qualified producer of plastic closures for pharmaceutical and consumer packaging.
We provide our global customers with products and service of outstanding quality.
KWK produces a wide range of closures and closure systems and also offer customised designs.

In 2026 KWK became part of Guala Closures SPA starting the Guala Pharmaceutical Business Division.

Longterm success requires everyday commitment.