BeiJing Source Core Technology Co LTD

Company Description

Indeed, because of this, only two significant producers of the metal exist worldwide at present: ATI Wah Chang (part of Allegheny Technologies Inc. (NYSE: ATI) in Oregon in the U.S.; and CEZUS in Jarrie, France (part of France's AREVA group (PA: CEI) and the world's largest builder of nuclear power stations). A Bit Of HistoryGiven the difficulties in recovering the metal, it may come as no surprise that hafnium was one of the last elements to be discovered. Although scientists had already reserved a place for it on the periodic table, element 72 (hafnium) had yet to be identified as recently as 1920.In 1923, hafnium was identified (using X-ray analysis) as being distinct from zirconium, and recognized as an element in its own right by the Dutch physicist Dirk Coster and Nobel Prize-winning Hungarian chemist György Hevesy, working in Copenhagen, Denmark. The