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Selected Supplier Qualifications
Cassiterite, coltan, wolframite and gold are minerals used in the manufacturing of tantalum, tin, tungsten and gold and are classified as conflict minerals. Companies wishing to be compliant need to determine if their products contain any of the conflict minerals and if so, the company needs to determine the country of origin of the minerals.
A.D. MACKAY, INC. - Denver, NC
Distributor of silicon. Available in foil, sheet, plate, strip, wire, flat wire, rod, tubing, plates, shot, ingot, powder and ribbon forms. Aviation, aerospace, research, military, medical, electro-optics, petrochemical, telecommunications and other industries served.