Beijing Huasheng Precious metal Materials Co., LTD., yakavambwa muna 2003, yave ichiita simbi dzisina-ferrous (tungsten, molybdenum, tantalum, niobium, nickel, cobalt, ferroalloy uye kuchaja) kwenguva yakareba.Kugadzirwa kukuru uye kugadzirisa: tungsten uye molybdenum zvigadzirwa, tantalum uye niobium prod...
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