Once the piece has been removed from its mould, it passes through the expert hands of the assembly workers. Tradition and quality are also linked to the perfection of the finishing touches. These workers have acquired a great deal of expertise and their gestures are extremely precise. Everything must be perfect, from welding to polishing. The GHM Company in Sommevoire (Haute-Marne) is known worldwide for the quality of its cast iron and the impeccable finish of its products. Already adopted by many French cities, GHM products are also embellishing a few European towns.