Manufacturing, supplying and trading of carbon brushes (charbon), charbon holders, slip rings, fuses, bushings, carbon rulers (carbon blades), various carbon and graphite products, graphite and silicon carbide sealants, Teflon, Teflon graphite, metal and gold melting crucibles, welding crucibles for ground cables, activated charcoal, graphite petroleum coke (GPC) in foundries. And the steel and iron industry, various graphite molds for copper extraction, graphite peels, graphite powder for lubrication, graphite fillings for transporting hot glass, rewinding, repair and maintenance of electrical machines, including motors, generators and transformers.