Founded in 1997 by tantalum and niobium specialist Hongju Chang, Admat Inc. supplies high-performance refractory metals and turns them into custom machined and fabricated parts. The company draws on more than 50 years of team experience and manages production from its own mills through a global network of experienced facilities, serving demanding applications that range from semiconductor components to vacuum-furnace parts. Its products are manufactured in the United States and China in ISO-certified facilities and are RoHS compliant.
ISO Certified Facilities
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RoHS Compliant
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EICC Compliant
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The Rembar Co., LLCFounded in 1950 along New York’s Hudson River, The Rembar Co. supplies refractory metals and turns them into precision-machined, formed, and fabricated components. Its in-house operation carries projects from CAD design and prototyping through production, with particular depth in difficult-to-machine parts for semiconductor equipment, vacuum furnaces, and other demanding applications. Rembar also maintains an extensive inventory of refractory-metal mill products and provides material traceability through alloy analysis and inspection.DOBBS FERRY, NY
T&D Materials Manufacturing LLCFrom Clifton Heights, Pennsylvania, T&D Materials Manufacturing supplies refractory-metal blanks and precision-machined parts, with particular depth in tungsten and tungsten-alloy components. For more than 20 years, the company has served customers on five continents, producing parts to technical drawings through pressing, MIM, HIP sintering and automated CNC finishing. T&D is ISO 9001:2015 certified and ITAR compliant, and says its tungsten and tantalum raw materials come from conflict-free sources.PRIMOS, PA
Elmet TechnologiesElmet Technologies, formerly H.C. Starck Solutions, manufactures refractory-metal powders, semi-finished products, complex fabrications, machined components, and additively manufactured parts. It works primarily with tungsten, molybdenum, niobium, and related alloys, serving electronics, aerospace and defense, medical, industrial processing, glass melting, and heat-treatment applications.EUCLID, OH
PlanseeWith more than a century of experience, Plansee develops and manufactures precision components from refractory metals, especially molybdenum and tungsten, for applications where ordinary metals reach their limits. The company controls the production chain from powder to finished product and operates 12 production sites worldwide. Its work includes highly specialized solutions such as resistance-welding electrodes and additively manufactured components with complex internal structures.FRANKLIN, MA