Cristal Union, the number two sugar firm in France, has announced plans to close two facilities in response to oversupply and falling prices in the sugar market. Usine Nouvelle reports the firm, which markets the Daddy brand, is to shutter its plants in Toury, Eure et Loir and Bourdon in Auvergne, with more than 300 jobs affected. It is also said to be considering reducing activities at its Erstein packaging site …