The French subsidiary of UK frozen pizza company Schwan's has invested €3.5m (US$3.4m) in a new production line. The new line is being used to produce pre-cooked meals. It is part of Schwan's plant in Mezidon-Canon in northwest France. Some 300 employees work at the plant, which generates annual turnover in the region of €50m. It produces four varieties of ready meals for sale in the UK, and is soon to start producing tarts for retail in France and neighbouring Germany.