To provide a molding line and a casting line, in which even in the case of using only one set of metallic flasks, the molding line and the casting line can be driven.

Even in the case of using one set of the flasks in the casting line, the production can be performed by arranging a driving roller conveyor and a flask feeding pusher in the molding line and using a stock conveyor and an automatic storing house in a molten metal pouring part and a cooling part in the flask.