.menu ul li .menuson-nav a{
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.leftproduct a{
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.about_right_b img{
    max-width: 100%;
}
.about_right_b p span{
    font-size: 14px;
}