建设机械：柴昭一累计质押公司股份数量为4997万股

Group 1 - The company announced that shareholder Chai Zhao has pledged a total of 49.97 million shares, which represents 71.83% of his holdings and 3.98% of the company's total share capital [1] Group 2 - The central bank aims to accumulate 700 tons of gold and has announced an additional purchase of 150 tons, marking the highest increase in gold holdings over the past two years [2]