U.S. Quartz Manufacturers Take Legal Action to Defend President Trump's Quartz Tariffs & Stop the Cheating
WASHINGTON, Sept. 29, 2026 /PRNewswire/ -- The Quartz Manufacturing Alliance of America (QMAA), a group of leading U.S.-based quartz slab manufacturers, today announced it has taken strong legal action to defend global safeguard tariffs on imported quartz surface products imposed by...
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