Complex sentence: A US distributor, "Russia 12.6" was set up to demonstrate the aircraft and sign up dealers and the Russian cooperative was reformed into a production company, taking the name "Aircraft Builders", or "Aviastroitel" in Russian.
Split into simpler sentences: A US distributor, "Russia 12.6" was set up to demonstrate the aircraft and sign up dealers. The Russian cooperative was reformed into a production company, taking the name "Aircraft Builders", or "Aviastroitel" in Russian.