Healthcare, Financials Dec 16, 2021 02:39 PM (GMT+8) · EqualOcean
Financial Associated Press, Dec. 16, learned from Henan nonferrous metal geology and mineral resources bureau that after nearly three years of hard search, the Bureau finally found high-purity quartz resources in the seemingly ordinary rocks of the East Qinling Mountains. After purification in the laboratory, the purity of silica has reached 99.998%, which indicates that the Bureau has mastered the purification technology of ultra-high purity quartz sand.
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