Changsha Rich Nonferrous Metals Co.,Ltd (Rich-Metals) is one of the few companies that produces and sells osmium targets, which are mainly used in the field of vacuum coating.
Read MoreOsmium is a platinum group element. Platinum group elements exist almost completely in elemental state and are highly dispersed in various ores. Changsha Rich Nonferrous Metals Co.,Ltd (Richmetals)
Read MoreTantalum is a metal element with an atomic number of 73 and a chemical symbol of Ta. Changsha Rich Nonferrous Metals Co.,Ltd (Richmetals)
Read MoreIridium, metal element, element symbol Ir, atomic number 77, atomic weight 192.22.Changsha Rich Nonferrous Metals Co.,Ltd (Richmetals)
Read More