• National Engineering Research Center For Phtochemistry (West)
•  86-029-87568050
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• Ningxia Bauhinia Pharmaceutical Co., Ltd.
•  0951-5031909
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• Nanjing University of Technology Lab201
•  025-83587182 025-86322259, 66816856
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• Nantong Huafeng Chemical Co., Ltd-Jiangsu Defeng Pharma.
•  +86-21-66583955
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• Nanjing Hengxin chemcial Co., ltd.
•  13776518319
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• Ningbo Fin-chem Co., Ltd.
•  86-574-87496866
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• Nanjing Weibang Chemical Trading
•  013915909719
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• Nanyang Zhangzhongjing Digital Chinese Medicine Co., Ltd.
•  86-377-69668238 86-377-69680626
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• nanjingshijiaxinhuagongmaoyiyouxiangongsi
•  86-025-86872583
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• NINGBO YINZHOU PRECISE COLOR CO.,LTD.
•  86-574-88139809 86-574-83033159
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• Nanjing Zelang Medical Technology Co. Ltd
•  86-25-83063290/13770714480
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• Nanjing Cosmos Chemical Co., Ltd.
•  86-025-83346889
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• Ningbo Green-Source Nutraceutical Co., Ltd.
•  86-574-87666877 86-574-87666711
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• Nanjing Qingze Medical Technological Development Co., Ltd.
•  86-025-81749016 86-025-51557129
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• NanJingZeLang
•  86-25-86056670
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• Nanjing Zelang Medical Technological Development Co. Ltd
•  86-025-86056670
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• Nanjing Hongqiao Fine Chemical Science & Technology Development Co., Ltd.
•  86-25-58840197
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• Nantong Xinying Chemical Industry Co., Ltd.
•  86-513-82319629
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• Nanjing Goldenhighway Chemical Co., Ltd.
•  86-25-84788595
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• Ningbo J&S International Trade Co., Ltd.
•  86-0574-87897188
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• Ningbo Sino-Taipio Herbal Science Co., Ltd.
•  86-574-27809629
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• Nanjing Sanglang Medical Technological Development Co., Ltd.
•  025-51557083 13401915986
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• NOF Corp.
•  81 3 5424 6600
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• Nicca Chemical Co., Ltd
•  81 776 24 0213
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• Nichem Corp.
•  773-924-3700; 800-523-3750
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• Nihon Nohyaku Co., Ltd.
•  81 3 3278-0461
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• Nipa Biocides.
•  44 113 239 8822
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• NuTech Corp.
•  973-344-6505
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• nantong qihai chemicals ltd
•  0513-82034272
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• Nantong Alchemy Biotech Development Co.,LTD.
•  86-513-81019858
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• Ningbo Honor Int'l Biotech Co. Ltd.
•  +86-574-87336598
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• Nikunj Chemicals
•  +91-265-3012246
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• ningbo tide imp&exp.co.,ltd.
•  +86-571-87635091
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• Nantong Sane Biological Co.,Ltd
•  86-513-84128750/13773795976
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• NB GROUP
•  +86-543-4505999
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• NEXFAR Limited - China
•  86-571-85574334
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• Nagpur Chemicals
•  + 91 - 7104 - 237627
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• ningbo chemical material co.
•  +86-574-87254900
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• Nanjing Agrochemical Co., Ltd (NAC),
•  +86 25 86520571 86556935　86291947　86291948
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• Nantong Yuandong Bio-chem Engineering Co., Ltd.
•  86-513-86562688
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• Nanjing Ronch Chemical Co., Ltd
•  86 25 52421135
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• NARSIPUR Chemicals Private Limited
•  91-22- 65131320, 27671883, 27631341
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• NanzhangXiangjiuFineChemicalCo.,Ltd.
•  0086-710-3523188 0086-13507286880086-710-3528157
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• Naturalin Bio-resources Co., Ltd
•  86-731-4834162 0731-4834151
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• Ningjin Zhuoli Health Care Scl&Teh Co., Ltd
•  +86-534-557 7977
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• Ningbo Osaki Biotech Co.,Ltd.
•  0086-574-86119926
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• Nantong zhennan Fine Chemical Co., Ltd
•  86-513-84666588
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• ningbo fin-chem co.,ltd
•  0086-013216674601
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• NanTong DongGang Chemical Co.,Ltd
•  +86-513-84816266
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• Nantong Phyto Biological Science and Technology Co., Ltd
•  86-0513-85355460
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