Shin-Etsu Polymer reported a 16.9% year-on-year increase in net sales to 108.28 billion yen ($781.54 million), 31.0% increase in operating income to 12.74 billion yen, 28.2% increase in ordinary income to 12.98 billion yen, and a 35.2% increase in net income to 8.52 billion yen for the year ended March 31, 2023. “In the previous fiscal year, silicone wafer production…