--- Announces capex investments in pet care facilities in the United States, Canada, and China --- --- Investments will increase capacity and address key customer requirements, including innovation and best-of-class quality --- NEW YORK, Sept. 29, 2025 (GLOBE NEWSWIRE) -- Minerals Technologies Inc. (NYSE: MTX) (“MTI”), a leading, technology-driven specialty minerals company, today announced significant investments in three of its plants to support the growth of its SIVO™ pet care business. The upgrades, whi ...