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Production Site Switzerland

The production facility of Proto Chemicals AG in Mitlödi, Switzerland, was specifically established to produce the active substance tramadol. Today, generic and original products are produced for external customers.

The site combines a modern production facility for an active substance with long-term experience and distinct expertise of the Grünenthal employees.

Proto Chemicals AG is certified by the FDA, European and Japanese (PMDA) inspectorates and certified according to ISO 14001 and OHSAS 18001.

Contact information:

Proto Chemicals AG

Tschachen 2

8756 Mitlödi


Phone +41 55 647 31 31