Gelest Ltd.
Gelest, Inc., headquartered in Morrisville, PA, USA, was founded in 1991 to serve the advanced technology applications markets and is recognized worldwide as an innovator, manufacturer and supplier of Organo-Silicon and Metal-Organic materials for co
Introduction
Gelest, Inc., headquartered in Morrisville, PA, USA, was founded in 1991 to serve the advanced technology applications markets and is recognized worldwide as an innovator, manufacturer and supplier of Organo-Silicon and Metal-Organic materials for co...

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The Zeller GmbH arranges all kind of laboratories with apparatus and consumables. We are a wholesaler for laboratory apparatus laboratory-consumables, hygienic tests, reagents, autoclaves, analyses apparatus for: titratrion, determination of density,
An individual solution is developed for every special customer requirement according to the latest technical standards, which repeatedly prove the know-how of the SEVAR engineers. In addition to the classic factory delivery, we also provide you with