Toyoda Gosei Co. Ltd. (TYO:7282), Toyota Group’s only manufacturer of high-polymer automobile components made from rubber and plastic, has released its business results for the fiscal year ending March 2017. The company saw sales of 755.61 billion yen ($6.63 billion), a year-on-year decrease of 3.4 percent; operating profit was down at 40,675,000,000 yen, a 5-percent decline; ordinary income dropped to…