Bangalore-based engineering services firm QuEST Global has set up a 74:26 joint venture with Swedish defence and security company Saab to set up an aero-structure assembly venture. The partners will together invest Rs.55 crore to set up the new entity, to be based in Belgaum in Karnataka. The unit will manufacture specific parts and assemble substantial sections of commercial aircraft such as Boeing 787 Dreamliner and Airbus A320 and A380.