Sinopharm Chemical Reagent Beijing Co., Ltd Tel:86-10-65126647 Fax:86-10-65126637 Email:bjadmin@reagent.com.cn http://www.crc-bj.com/english.html
Beijing ShuangHuan WeiYe Reagent Corporation Limited Tel:86-10-69379004 Fax:86-10-69381768 Mobile: 86-13901236290 E-mail: hou@shhshj.com http://www.shhshj.com/echn.htm
Beijing Liudian Reagent Co., Ltd. Tel: 86-10-61393297 / 61393286 Fax: 86-10-61393284 Mobile: 86-13522875334 13901108149 13601068035 Email:webmaster@wnqhg.com http://www.wnqhg.com
Beijing Chemical Reagents Company Tel: 86-10-65126651/7996 Fax:86-10-65130551 Email:hj00788@sohu.com http://reagent.instrument.com.cn
BEIJINGKETUOQIHUABOLIYOUXIANGONGSI Tel:86-10-67212007 Fax:86-10-82291618 Mobile:86-13701302923 http://www.puresino.com/
Beijing Union Bio-Engineering Institute Tel:86-10-58075805 Fax:86-10-58075805 http://www.cec-ep.com/
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