shaanxi youser group, about us, jinduicheng molybdenum industry group, bao ti group molybdenum concentration, high dissolved molybdenum oxide, ammonium molybdate, titanium, titanium alloy material-尊龙凯时最新地址

industry development
silicon industry

it has already built the first 3750 tons/year production line of micro-electronic grade poly-silicon in domestic and fill in the gaps in scale production in china by introducing and absorbing the advanced technologies and equipments。


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