stutenseeberlin, december 16th, 2014. the international i.m.a. industria macchine automatiche s.p.a. &bdquoima group&ldquo headquartered in bologna, italy, acquires the operating business of oystar group, a globally leading producer of packaging machines, from private equity firm odewald. the operating companies of oystar group &ndash benhil, erca, gasti, hamba and hassia &ndash will be transferred into the newly founded holding company ima dairy and food gmbh. under the umbrella of ima group, they will continue to act independently and continue their growth.