Ceramic refractory material; ceramic refractory material for coke oven walls and bricks; ceramic refractory material made of double fuse silica for coke oven walls and high temperature processes in industrial use.

Installation services, namely, installation of coke ovens, refractory walls, coke oven walls, refractory furnace wall components, and refractory products in the nature of refractory construction materials; maintenance, repair and reconstruction of furnaces, refractory walls, coke oven walls, refractory furnace wall components, refractory products in the nature of refractory construction materials; consultation services in the field of installation and repair of custom coke ovens, coke oven bricks, and coke oven components.