Beijing Huasheng Precious karfe Materials Co., LTD., kafa a 2003, da aka tsunduma a cikin wadanda ba Ferrous karafa (tungsten, molybdenum, tantalum, niobium, nickel, cobalt, ferroalloy da caji) na dogon lokaci.Main samarwa da sarrafa: Tungsten da molybdenum kayayyakin, tantalum da niobium prod ...
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