document.write('<a href="http://www.norkt.com"><img border=0 src="../yqlj/picture/2005531173734.gif" alt="天津市诺克科技发展有限公司" width="120" height="45"></a> &nbsp;&nbsp;')
 
document.write('<a href="http://www.qingyuanhg.com"><img border=0 src="../yqlj/picture/2005531173910.gif" alt="固安清远化工" width="120" height="45"></a> &nbsp;&nbsp;')
 
document.write('<a href="http://www.laizhousanwei.com/chinese/cpzs01.htm"><img border=0 src="../yqlj/picture/2005531174023.gif" alt="山东莱州三维化工机械" width="120" height="45"></a> &nbsp;&nbsp;')
 
document.write('<a href="http://www.tgchem.com.cn/"><img border=0 src="../yqlj/picture/2005531174129.gif" alt="北京市通广精细化工公司" width="120" height="45"></a> &nbsp;&nbsp;')