Lonstroff AG

Lonstroff AG, headquartered in Switzerland, is one of the world's experts in developing and manufacturing innovative elastomers for injectable medicines. With almost 300 team members, three plants and a research center located in Switzerland and Slovenia, Lonstroff brings long-lasting expertise in rubber formulations and development, offering coated and uncoated vial stoppers, plungers for syringes and cartridges, and development and innovation capabilities tailored to various customer needs.