Chemical products for use in industry, as well as in agriculture, horticulture and forestry; mastics and other filling paste materials; compost, manures, fertilizers; oxides; Waelz oxide; zinc concentrates; zinc ash; ferrous slags; iron concentrates; aluminum oxide; aluminum concentrates; secondary bauxite; ammonium sulfate; melting salts; aluminum oxide, slag and non-metallic ferrous concentrates.;
Treatment of waste, hazardous waste, toxic materials; treatment of materials using chemicals; recycling of waste and trash; recovery of zinc, zinc concentrates and other metal concentrates by means of treatment, processing, recycling and disposal of waste, hazardous waste and other materials with zinc and other metal content coming from industry; treatment, recycling and disposal of waste coming from galvanization and waste of cells and batteries; recovery of aluminum concentrates, melting salts and secondary aluminum oxide by means of the treatment, processing, recycling and disposal of waste, hazardous waste and other materials coming from the aluminum industry.;