TOKYO—Mitsubishi Materials Corp. said its subsidiary knew for months factory workers were tampering with quality information on airplane, car, and power-plant parts but continued to ship the products to places, possibly including to the U.S. It is the latest quality scandal to hit Japan’s manufacturing industry, and this one affects more than 200 customers in Japan and overseas, according to Mitsubishi Materials. Executives...

Source: Wall Street Journal November 24, 2017 03:53 UTC