 Its precursors are from now on, Grivbus and Astra Bus Arad.Some half assembled vehicles were sold to (or taken by) some customers together with spare parts and assembled by the customer, some other unassembled vehicles were sold as spare parts to customers which had previously acquired ROCAR products.Spare parts remained into the factory were also taken by companies which were operating ROCAR vehicles, probably as a debt, or by companies which were selling spare parts.