Plastics processing company Shin-Etsu Polymer Co. Ltd. (TYO:7970) achieved net sales of 18.98 billion yen ($172.27 million) for the first quarter of fiscal 2018 (April–June 2017), up 5.8 percent year-on-year. Shin-Etsu Polymer’s operating income for the first quarter of fiscal 2018 was 1.68 billion yen, up 2.3 percent year on year. The company achieved an ordinary income of 1.85 billion…