.factoryD{
    margin-bottom:50px;
    padding:30px;
    border:1px solid #ddd; border-top:0;
    background:#fff;
}

.factoryD_head_content{
    display:inline-block;
    width:1000px; height:90px;
    background:#f0f0f0;
}

.factoryD_head_content>li{
    float:left;
    width:273px;
    margin-left:60px; margin-top:20px;
    color:#333333; font-size:14px;
    text-align:left
}