The annual net sales of 500 state key wholesale and retail enterprises reached 248.7 billion Yuan,down by 1.1 percent over 1997,and the gross profit ratio was 10.3 percent,down by 0.7 percentage points.

• 全国500家重点批发零售贸易企业销售收入净额2487亿元，比上年下降1.；1%25；毛利率为10