• Shenzhen Happy Fine Chemicals Inc
•  086-755-25621395
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• Shijiazhuang Hejia Health Productions Co., Ltd
•  +86-311-5370162
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• Shanghai pengxian chemical industry co.,ltd
•  020-64252536
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•  86-546-6492512
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•  0546-6891866 13954613800
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• Shanghai Vigen Fine Chemical Co., Ltd
•  0086-21-61073808
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•  +86-312-3412968 +86-311-86015198 86013198
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• Shanghai Clean Chemical Technology Corp Ltd
•  86-21-58592662,86-21-60515850
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•  86-0543-2170111
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•  86-21-69191552,69191553 86-21-69106960,69106970
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•  +86-512-66956556
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• Shanghai Hongrui Chemical Co., Ltd.
•  +86-21-56039560
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•  +86311-87201295
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• Shanghai Shilei Chemical Co., Ltd.
•  86-21-33611092
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•  8615996701666
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•  +86-536-2106771
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•  0536-5524777
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• SHANGHAI HUAXUAN CHEMICAL CO., LTD
•  +86 21 6873 5405
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• Shanghai AZ Import & Export Co., Ltd.
•  86-571-81634012 ext.88
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• Sulfur Properties and Compounds
•  (915) 675-5311
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• Shijiazhuang Haosheng Chemical Co., Ltd
•  +86-311-84460006
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• SHANDONG TRIFERCHEM CO., LTD
•  0086 533 7781659
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• Shanghai GL Synthesis Co., Ltd
•  86-21-67270398
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• Sinosale
•  +86 (311) 8777-9311
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• Shanghai Amadis Bio-Technology Co., Ltd
•  0086-21-3616 2072, 6117 5616
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• shanghai Tauto Biotech Co., Ltd
•  +86-21-51320588
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• Small Molecules, Inc.
•  877 889 2860
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• SynPep Corporation
•  (925) 803-9250
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• Shanghai Luer Chemical Trading Co., Ltd
•  +86-21-6873 9752, 6873 7190
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• Shanghai Licheng Chemical Co., Ltd
•  +86-21-68909306 68906091
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• Shenyang Lingsen Fine Chemical Plant
•  0086-024-25305922 86-13940025955
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• Shanghai Jiancheng Industial and Trade Co, Ltd
•  +86-（021）54972320 54972321 64773178
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• SHANGHAI YUNQIANG CHEMICAL CO., LTD
•  （021）63641008
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• Shanghai M & U International Trade Co., Ltd.
•  +86-21-6483-1649
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• Shanghai Minghe Chemicals Co., Ltd
•  86-21-50318666
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• Shanghai Pu-Import & Export Co. Ltd.
•  8621-61701888*639
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• Shanghai Me-too Pharma Tech Co., Ltd
•  86-21-64856013 86-21-64951290
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• Shenzhen PenKing Biochemical Technology Co., Ltd.
•  +0086-0755-86230980
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• Shanghai Meg Import & Export Co., Ltd
•  +86-21-51082199
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• Suzhou Meihua Daily Perfume Co., Ltd
•  +86-512-65334995　+86-512-65325988
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• Shanghai Medpep Co., Ltd
•  8621-65566949
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• SHANGHAI YONGLONG CHEM-TECH.,LTD
•  +86-21-64979332
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• Sanmen Eastsky Pharmaceutical Co.,Ltd
•  +86-576-83510058
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• Science Lead Chemical Co., Limited
•  +86-519-85128176 +86-519-85128179
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• Sciens Fine Chemicals.Co.Ltd.
•  ++86 27 6218 4721,13995571127
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