Oct 30 (Reuters) - Chuo Spring Co Ltd CONSOLIDATED EARNINGS ESTIMATES (in billions of yen unless specified) 6 Months to 6 Months to Sep 30, 2013 Sep 30, 2013 LATEST PREVIOUS FORECAST FORECAST Sales 40.92 41.00 Operating 387 mln 700 mln Recurring 476 mln 800 mln Net 388 mln 500 mln EPS 6.19 yen 7.97 yen NOTE - Chuo Spring Co Ltd is a major maker of car springs. For latest earnings estimates made by Toyo Keizai, please double click on.