The value of the tailings Such as guangxi nandan tin polymetallic has 61 tailings, in total 25.22 million tons of tailings, contains a lot of non-ferrous metal tin, antimony, lead, zinc, silver, gold, indium, cadmium and arsenic, sulfur and other non-metallic mineral, grade is above the national industrial grade indexes, some already achieved large or…

With the rapid development of the building, metallurgical and other industries, a variety of professional industry production equipment also arises at the historic moment, and rapid innovation and upgrading, became all kinds of indispensable important equipment in production line. Which used in the production line in the early stage of crusher is the most important,…