关键数据表项目单位一季度环比涨跌同比涨跌二季度预测环比涨跌价格美元/吨1026.841.12%-0.78%1040.001.28%新增产能万吨/年0.00--100.00%0.00-产量万吨947.073.79%30.63%886.00-6.45%产能利用率%86.903.83%13.74%80-7.94%进口量（E）万吨236.736.07%1.31%21