[Stainless Steel Metal Scrap | Ferrous Scrap | Non Ferrous Scrap Products Importer | Exporter | Supplier Company - Deetansa Deetansa is the most preferred company for trading Steel and Metal in Singapore. Deetansa a prominent importer, exporter, and supplier of Ferrous & Non ferrous products, metal scraps, Ferro alloys, Industrial Minerals and Materials, Waste Paper, coal & coke and organic fertilizers among many other things.]