76289508
Jul 24, 2001
Dec 17, 2002
chemicals used in industry for the catalytic conversion of sulfur dioxide into sulfur trioxide, chemicals used in science, namely, reagents for scientific research; catalysts for use in the production of sulfuric acid; sulfuric acid for use in the production of solutions for hydrometallurgical extraction processes, phosphoric acid, fertilizers and diverse compounds other than sulfates for the chemical industry
ChemicalsConstruction, installation and maintenance of industrial plants and project planning for industrial plants and machinery
Building Construction and RepairResearch and development of others in the field of the production of sulfuric acid; engineering services; architectural design of industrial plants; technical consultation in the fields of the production of catalytic sulfuric acid; chemical analysis and research services
Computer and Scientific