Rubamin Limited supplies Zinc Oxide for Pharmaceutical Industry. Rubamin Limited is an ISO 9001: 2008 accredited company offering a wide range of non-ferrous metals such as Copper, Cobalt, Nickel, Molybdenum, Manganese, Vanadium and Tungsten. The Zinc Oxide for Pharmaceutical Industry, available under the brand name "Gold Seal" contains the highest level of purity of 99.9%. The Zinc Oxide for Pharmaceutical Industry is made from pure Zinc Metal and ensures very low content of impurities.