郑煤机股票长期持有策略:挖掘行业龙头,享受稳定回报 202120202019营业收入,亿元,103.8494.3783.1870.22净利润,亿元,10.289.617.476.06每股收益,元,0.490.460.350.29毛利率,%,28.322... admin 2024-11-06 20 #郑煤机股票长期持有策略 #挖掘行业龙头 #享受稳定回报