The Glass Performance Days (GPD) is an independent forum dedicated to the development of the global glass industry.

The main conference in Tampere, Finland is organized biennially consisting of the largest and leading international glass conference, several workshops, glass product exhibition and versatile social activities. A smaller, more specific market directed GPD conference is organized every year in China and bi-annually switching between South America and India.

The Conference is supported by an open portal for glass specialists at www.glassfiles.com This site builds a 24h virtual bridge between physical conferences.