Toyoda Gosei Co. Ltd. (TYO:7282), Toyota Group’s sole manufacturer of rubber and plastic polymeric parts for automobiles, posted a year-on-year decline in sales volume for the first quarter, falling 5.1 percent to drop to 178.02 billion yen ($1.76 billion). Pretax profit likewise fell, dropping 5.4 percent for a mark of 7.352 billion yen. Toyoda Gosei’s revenue hits came on account...