November 1, 2023, Wellons.RU LLC completed work on the design of the new refractory lining of the dust chamber and the furnace head (furnace discharge unit) as part of the project for the construction of a pilot plant for the production of Welz oxide. These works were carried out on the terms of an EPC contract, including engineering, selection and supply of materials, as well as direct lining work on the installation of a new refractory lining of the Welz furnace equipment.