it is chiefly made to preserve sealed food. these tools can product good-looking containers suitable for different use.Aluminum Foil container: It has the good and symmetrical heat exchange. Besiders ,it is convent, save, healthy, no peculiar smell and hot leakage. So it is widely used in the oven,micro-wave oven and the steam box.We are insisted on the tenet of â??Good quality, good credit sanding we are your best business partner nd supplier.