Zeon’s elastomer materials business division posted sales of 215.29 billion yen ($1.36 billion), down 3.1% year-on-year, and operating profit of 6.64 billion yen, down 34.8%, in the fiscal year ending March 31, 2024. Synthetic rubber sales and profits were up, and, in addition to a generally normal recovery in Japanese domestic demand from the second half of the year, the…