Aqua Regia Gold Refining Machines. Aqua Regia Gold Refining Tumbler Italimpianti Orafi. Aqua regia gold Refining Tumbler is a new technology compared to the static refining plants. It is mainly a total different way to . The static refining unit is an handicraft way to refine, the Tumbler Machine is an industrial way to refine. More.
Govt To Open Up Gold Mining In India. India is one of the most powerful countries in the world CM Yogi. In a major breakthrough in 20 years, the Geological Survey of India and Uttar Pradesh Directorate of Geology and Mining have finally found a massive gold reserve in a UP district.