Büchi Glas Uster (Büchi AG) is a Swiss leader in manufacturing advanced reactor systems and pilot plants for the chemical and pharmaceutical industries. We specialize in glass, glass-lined steel, and pressure reactors, delivering innovative solutions from lab to production scale.

At Buchi, we go beyond delivering high-quality reactor systems and process equipment. Our services are designed to support you throughout every stage of your equipment’s lifecycle. From advanced engineering and customized design solutions to expert training and dependable after-sales support — we ensure your systems operate safely, efficiently, and reliably, long after installation.

Büchiglasuster - Headquarter in Uster - a worldwide leading Swiss manufacturer of reactor systems and pilot plants for the chemical and pharmaceutical industry and research facilities - from laboratory to pilot plant to production.