On July 17th, 2019, our project's topic ‘the certified reference materials of pig iron

    On July 17th, 2019, our project's topic ‘the certified reference materials of pig iron & alloy cast iron for spectral analysis’, ‘the certified reference        materials of  bauxite, zinc concentrates and lead concentrates’ won the second        and third prize of Shandong metallurgical science and technology progress prize.