• Baffil Chemical (Quzhou) Co., Ltd.
•  86-570-5898066,13757179881
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• bio-chemical co ltd
•  +23776634524
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• Beijing Century Richap Chemistry Co.,Ltd
•  ++86 10 6445 5497ext.8808
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• Beijing Lunarsun Pharmaceutical Co
•  86-10-81760171
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• BIO CHEMICAL
•  0023775552502
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• Blij Oil Co.
•  +98 21 22922219
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• bokardar ltd
•  07533343210
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• Beijing Reco Technology Co., Ltd.
•  +86-10-57126046
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• Beijing Mesochem Technology Co.,LTD.
•  +86-10-86258212
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• Beijing Vistabright Co., Ltd.
•  +86-10-84277340
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• Beijing Nachen S&T Ltd.
•  +86-010-60773846
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• Beijing HuiKang BoYuan Chemical Tech CO.,LTD.
•  86-10-68867502
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• Baoji taihe Nonferrous Metal Co. Ltd
•  +86-917-3152638
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• Beijing Krohesin Technology Co.,Ltd
•  (86)03918150650 (86)02150563169
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• Beijing Haili Sikang Chemicals Material Co.,Ltd
•  86-10-67930855
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• Beijing Harmony Chemical Technology Co., Ltd
•  013811989488
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• Beijing HYTS Chemicals CO.,LTD
•  +86-1057037977
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• Brandon Nolland Limited
•  +23794275235
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• BeiJing Qicaichem Technology Co. Ltd.
•  +86-10-52838163
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• BAOFULL CO LTD
•  0086-772-3821109
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• Bipec BioIntermedia Pharma Extra Corp.(Nanjing)
•  025-52995557 68808655
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• Baier Chemical Co,.Ltd
•  +86-22-27333858
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• Boteni chemical industry co., ltd.
•  +86-0311-89281934
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• Bbgpharm Ltd
•  13307121925
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• beijing fuyuanjia chemical technology co.ltd
•  010-64166802
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• BQPHARMA LTD.
•  +86-189-20092367
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• BOC Sciences
•  1-631-398-3562
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• BetaPharma(Shanghai) Co., Ltd
•  +86-512-63009836
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• beijing hayley,chemicak products co.,LTD
•  +86-151-76489020
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• Biotechchemist
•  +23797511043
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• Bright Chemicals Co.,Ltd
•  +65-2319-1933
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• boteni chemical industry co.,ltd
•  86-311-89281932
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• bepharm ltd.
•  86-21-51816456
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• Beijing Lunarsun Pharmaceutical Co. Ltd.
•  86-10-80771377
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• Bettle Science and Technology Co., Ltd
•  86-22-27210630
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• Beijing Four Principles Technology Co., Ltd.
•  +86-(10)-8494-7198
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• Beijing Brilliance Biochemical Co., Ltd.
•  +86-(10)-8776-6923-ex-19
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• Beijing Haizhongbao Industry & Trade Co., Ltd.
•  +86-(10)-6764-0786
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• Beijing Taiyang Pharmaceutical Industry Co., Ltd.
•  +86-(10)-8539-2635
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• Beijing Guolianchenghui Pharmaceutical Technology Co., Ltd.
•  +86-(10)-8238-1892
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• Binhai Weijia Chemical Co., Ltd.
•  +86-(515)-8438-2859
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• Beijing Aleznova Pharmaceutical Research Institute Co., Ltd.
•  +86-(10)-6970-7681
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• Beijing Goodturn Technology Co., Ltd.
•  +86-(10)-8260-9710
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• Beijing Bcory Pharm-chemicals Tech.Co., Ltd.
•  +86-(10)-6087-0891
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• Beijing Aglaia Technology & Development Co., Ltd.
•  +86-10-62966967
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• Beijing PharmaSciences Co., Ltd.
•  +86 (10) 6786-6966 ex 8838
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• Beijing Chemsun Pharmtech Co., Ltd.
•  +86-(10)-63787357/63786746
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• Beijing Honghui Meditech Co., Ltd.
•  +86-(10)-6125-3615
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• Beijing Gaobo Pharm-Chemicals Tech. Co., Ltd.
•  +86-(10)-83694934
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• Baoji Jinyang Chemical Co., Ltd.
•  +86-(917)-6662311
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