Using high purity precious metals produced by its refining operations, Niton Refinery Limited manufactures an extensive range of finished and semi-finished products to supply a wide range of markets and clients Niton Refinery Limited is accredited as a GSA Licensed Refinery for gold, diamond, and silver; all our cast and minted bars are recognized worldwide and accepted by all main precious metals markets and financial institutions. Niton Refinery Limited offers its clients top quality, highly flexible services, professional and technical consultancy, and the highest levels of overall support and assistance, at the most competitive prices.