document.write("<li>电话:021-5835 5533</li>");
document.write("<li>传真:021-5835 4933</li>");
document.write("<li>销售:sales@sanlen.com.cn </li>");
document.write("<li>市场:marketing@sanlen.com.cn </li>");
document.write("<li>技术:support@sanlen.com.cn</li>");