深圳市鼎正鑫科技镁铝装备，镁合金熔炉在美丽的青海生产高纯度稀土镁合金棒材，助力中国国防事业建设。

DZ-United magnesium alloy & Aluminum alloy equipment produced high purity magnesium alloy rod in beaufy Qinghai province,to help China's defense industry.