This is likely the "Usine de la Blanche Porte" weaving mill in Tourcoing, which began selling its household linen production by mail order starting in 1921.
White exhibition - second sketch (See first sketch). Les Grands Magasins Dufayel was a former "department store" opened in 1856 on Boulevard Barbès in Paris under the name Palais de la Nouveauté.