台积电 6PB ROE 29.74%天工国际 1PB ROE 11%首钢资源 1PB ROE 15%陕西煤业 2PB ROE 27.24%太阳纸业 PB 1.72 ROE 16.98%海螺水泥 PB 1 ROE 19.23%农夫山泉 PB 19 ROE 39%安琪酵母 PB 5 ROE 20%长江电力 PB 2.9 ROE 15%泸州老窖 PB 10 ROE 30%