Bridgestone Corp. (TYO:5108) and the Bridgestone Group have had seven plants receive a Platinum Level rating under Caterpillar Inc.’s Supplier Quality Excellence Process (SQEP) for 2020. This is the highest supplier rating provided by the U.S.-based manufacturer of construction and mining equipment. Four of the seven Bridgestone plants to receive this rating manufacture tires for construction equipment, including the Santo...