All Longwy properties are patiently crafted by hand in accordance with its tradition and only the highest quality materials are used.
Barbotine: A mixture of kaolin (white clay), clay and water.
Colors: The colors are manufactured in the factory itself in the traditional way. They consist of metal oxides and crushed crystal. The factory constantly develops new colors to precisely match the ones used in each respective artists designs.
Precious Metals: Many pieces are decorated with precious metals. For this purpose, gold and platinum are used in their liquid form. Longwy uses 21.7 carat gold and platinum at 18.8 carats.