Swiss Approval International Group of Companies

SISI is specialist in Oil and Gas Equipment and ensure its service in Steelwork, Materials & Welding, Castings, Forgings, Piping and Fittings, Valves, Vessels, Pressure Vessels, Heat Exchangers, Columns, Reactors, Rotating Equipment, Compressors, Motors, Pumps, Machinery, Electrical and Instrumentation Equipment, Insulation, Painting & Coating.