Markets Insider | Spring Manufacturers Institute (SMI) Concludes Successful Metal Engineering eXpo in Hartford Markets Insider OAK BROOK, Ill., Oct. 31, 2017 (GLOBE NEWSWIRE) -- Boasting a nearly 50 percent increase in attendance, the Spring Manufacturers Institute (SMI) held the second edition of its SMI Metal Engineering eXpo™ at the Connecticut Convention Center in ... |