耐火材料研制、生產(chǎn)、銷售,貨物及技術(shù)進(jìn)出口(法律、行政法規(guī)禁止經(jīng)營(yíng)的項(xiàng)目除外,法律、行政法規(guī)限制經(jīng)營(yíng)的項(xiàng)目要取得許可后經(jīng)營(yíng))*(依法須經(jīng)批準(zhǔn)的項(xiàng)目,經(jīng)相關(guān)部門批 展開+
耐火材料研制、生產(chǎn)、銷售,貨物及技術(shù)進(jìn)出口(法律、行政法規(guī)禁止經(jīng)營(yíng)的項(xiàng)目除外,法律、行政法規(guī)限制經(jīng)營(yíng)的項(xiàng)目要取得許可后經(jīng)營(yíng))*(依法須經(jīng)批準(zhǔn)的項(xiàng)目,經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營(yíng)活動(dòng)) 收起-