Bando Chemical Industries Ltd. (TYO:5195) has reported a year-on-year increase to both sales and profits for the first half of fiscal 2018. Sales for the half increased 5.3 percent over the same period last year to reach 48.2 billion yen, with operating profit up 23.4 percent to 3.81 billion yen, ordinary profit up 34.2 percent to 4.55 billion yen and…