• botianchemistry
•  02885155878
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• bharat rasayn
•  +91-22-65705188
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• Broadtech Chemical International Co., Ltd.
•  86-471-3382281
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• Bibot chemical industries (under Tiger International Group)
•  021-50316805
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• BRIT?ZIYANG PHARMACEUTICAL AND CHEMICAL Co.,Ltd.
•  86-23-6846-2997
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• boaozhongchengchemicaltechonolgy
•  8615876526864
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• Betapharma (Shanghai)
•  86-512-63008636
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• Baoji Herbest Bio-Tech Co., Ltd
•  +86-917-3591456
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• Beijing Innochem Sci.&Tech. Co. Ltd.
•  +86-10-51510876
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• Benxi Shenghua Chemical Co.,Ltd
•  0414-3838598
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• Beijing Yatai Longxing Chemical Company Limited
•  022-26246048
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• Bestessen Co.,Ltd.
•  0086 532 8667 7112
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• Brilliant(tianjin) chemmicals Co.,Ltd
•  +86-022-6052221
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• Beyond Sphere Ltd
•  +237-94861778
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• BrightGene Biomedical
•  +86-15862471140
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• Beijing Mesochem Technology Co.,LTD
•  0086-10-86258212
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• Bindu pharmaceticals pvt.ltd
•  +91-40-23151219
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• BeiJing ShunJing Age Technology co.,ltd.
•  +86-10-65937829
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• Baoji Guokang Bio-Technology Co.,Ltd
•  +86-917-8835516
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• Beijing Jiyi Chemical and Industry Co. Ltd.，
•  +86-10-89385733
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• Beijing Hengrunxin Exported &Imported Co.Ltd
•  86-010-62158015-817
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• bettle science and technology co,.ltd
•  86-22-27210630
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• Beijing Green Guardee Technology CO,.LTD
•  +86-10-82781860
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• Beijing Tianchang chemicals Co.
•  86-10-69342271
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• Beyond Pharmatech Corp, Ltd
•  +86-157-2497-1806
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• BTP(Beinuo) Pharm
•  +86-25-68176766
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• Bello Pharmachem Co.ltd
•  +23794265800
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• Bosson (Beijing) Chemical Co., Ltd.
•  8610 8010 6229　+8610 8076 1826
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• Biochemist
•  00447035925424
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• Beijing office of Ruiyi Medical
•  +86-010-84816347
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• beijing kaibiyuan trading co.,ltd.
•  13240193966
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• Bioshining Biotech Co., Ltd.
•  (0086) 0592-3651281
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• Bright chemical LTD
•  86-411-86759760
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• Biosyn Healthy Pharma Co.,Ltd
•  86- 22-87893089, 13136582221
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• Beijing Shifa Multi-Business Agency
•  86-10-64666559 13241982763
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• Beijing Advanced Technology Co. Ltd
•  +86-10-69729398
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• Binamdrugstore Co Ltd
•  (254)-215-3650
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• Beijing Rapidbio Science Co. Ltd
•  86-10-63395349
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• Beijing Depusidun Chemical Technology Co., Ltd.
•  010-63557982
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• Beijing Challenge Bio-technology Co., Ltd.
•  10-62198885-862
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• Beijing Ronzlle Investment Management Co., Ltd
•  10-64096997
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• Beijing LYS Chemicals Co. Ltd
•  +86-10-68483445
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• Binhai Xinbao Chemical Co.,ltd.
•  86-0515-84383960 13382613799 13914637453
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• BINHAI HANHONG BIOCHEMICAL CO., LTD.
•  +86-21-54302127
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• BRM MARKETING
•  919980213005
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• Borna LT
•  0023779585806
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• Boxin Chem
•  89276536
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• Beijing Santywell Fine Chemical Co., Ltd.
•  86-10-87501164
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• Beijing eternalchem Co,. Ltd
•  +86-10-59484199
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• Baffil Chemical (Quzhou) Co., Ltd.
•  86-570-5898066,13757179881
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