QLM Group has acquired the assets and client list of Roastar, a specialist in coffee packaging, securing an exclusive distribution agreement for Prime Vent degassing valve technology across Australia and Southeast Asia as part of the deal. Prime Vent is a degassing valve system designed to extend coffee product shelf life of coffee products while reducing plastic use by 95 percent compared with traditional valves. The exclusive regional rights give QLM a proprietary technology position in the co