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Discover Your Perfect Stay The Integral Role of the International Lead Zinc Research Organization Inc. Introduction to ILZRO The International Lead Zinc Research Organization Inc. ILZRO stands as a central hub for scientific and technological progression within the lead and zinc industries. As a distinguished nonprofit trade organization ILZRO leverages its expertise to further research endeavors that span the breadth of both metals applications including advancements in electrochemistry protective coatings diecasting and the intricate relationship these materials have with both environmental sustainability and public health.