No.1107,1 Building,62 hao yuan,balizhuanglu Haidian Beijing 100036 P.R.China
Tel.: 86 10 88119396
Fax :  86 10 88124631
E-mail: yongli@rztoptics.com.cn;  boyan@rztoptics.com.cn;  ncmqyl@sohu.com
Web: http://www.rztoptics.com.cn


 
  Copyright(C)2004 BEIJING RUNZETONG OPTICAL LTD.all right reserved.      
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  Copyright(C)2004 BEIJING RUNZETONG OPTICAL LTD.all right reserved.