Indium: in China the world's reserves. The total global supply of 80%. Mainly used in flat panel display, alloy, semiconductor data transmission, the manufacture of aerospace products. Mainly associated with the lead-zinc in 2005, native of China's indium output of 410 tons only.It is a companion indium metal, it is just inside the content of zinc concentrate are used PPM (millions of) calculations, very small, not renewable.