p; China's commerce ministry on Friday announced trade barrier investigations into US actions and measures that harm global production and supply chains as well as that impede trading of gr
sp; 有研粉材：公司3D打印粉末材料品属于基础原材料，应用具有不确定性 每经AI快讯，有投资者在投资者互动平台提问：董秘好！公司的3D打印铝合金、铜合金、高温合金、不锈钢粉末等商业航天耗材，是否明确是属于火箭发射端的范畴？是否与航天系公司有合作关系？谢谢。 有研粉材（688456.SH）4月29日在投资者互动平台表示，公司3D
p; China's commerce ministry on Friday announced trade barrier investigations into US actions and measures that harm global production and supply chains as well as that impede trading of green pr
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