I-Beijing Huasheng Precious metal Materials Co., LTD., eyasungulwa ngo-2003, ibilokhu yenza izinsimbi ezingenayo insimbi (i-tungsten, i-molybdenum, i-tantalum, i-niobium, i-nickel, i-cobalt, i-ferroalloy kanye nokushaja) isikhathi eside.Ukukhiqizwa nokucutshungulwa okuyinhloko: imikhiqizo ye-tungsten ne-molybdenum, i-tantalum ne-niobium prod...
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