• Shanxi Puhui Chemical Co.Ltd.
•  86-351-4693580
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• Shanghai Hynote Import & Export Co., Ltd
•  +86-379-65867058
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• Suzhou Time-Chem Technologies Co., Ltd.
•  +86-512-68088232 Miss Cao
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• Shandong Jiulong Hisince Pharmaceutical Co.,ltd
•  +86-531-69953158
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• shandong dongming sci&tech development
•  +86-393-4829366
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• Shandong Aona Chemical Co.,Ltd
•  86-632-7782003
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• Suzhou Credit International Trading Co., Ltd
•  +86-512-65398039
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• Shandong Zhengtongyuan International Trade Co., Ltd.
•  86-531-82620028
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• Shenyang Tianfeng Bioengineering Technology Co., Ltd.
•  86-24-25358166,13940456226
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• Sichuan Giant Chemical Technology Co., Ltd.
•  0086-028-85293317 15902808079
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• Shangyu Shaofeng Chemical Co.,Ltd.
•  86-575-82365618, 013819577992
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• Shanghai Tianyi Biotech Company Limited
•  +86-21-64953988；54500741
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• SHINYA CHEM
•  +86-316-2226055
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• Shanghai Science Bio-Pharmaceutical Co. Ltd（SBPC）
•  021-64692118 , 13918702962
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• Suzhou Sinocompound Technology Co., Ltd.
•  +86-512-68326260
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• Shijiazhuang Wanye Phosphate Industry Co., Ltd.
•  86-311-80979849
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• Shijiazhuang Haima Chemicals Industry Co.,Ltd
•  86-311-85510837
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• Shijiazhuang Liangtai Chemicals Import and Export Co,.Ltd
•  
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• Sandoo Pharmaceuticals and Chemicals Co., Ltd.
•  86-574-87934126
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• shanghai eshine chemicals co.ltd
•  021-65915306
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• shijiazhuangjingnan chemical Co;Ltd
•  +86-311-89697223
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• Sinochem Liaoing
•  +86-411-82820617
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• Shanghai Heda Carbon Materials Co., Ltd
•  +86-021-51699108
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• Shijiazhuang Fenghai Imp.&Exp. Co.,Ltd
•  15802156021
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• SBC Pharmacy LLC (Taiwan)
•  +886--1--99988866
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• shijiazhuang yuming bio-chemical co.ltd
•  0311-87718058
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• shanghai hipoly industy co ., ltd
•  021-64602155 64602156zhuan603
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• Shanghai Youkai Biotechnology Co.ltd
•  15900636350
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• Shanghai Fenhe International Co.,Ltd.
•  (+86)-21-58520321
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• Shijiazhuang Zhongdeda Industry & Trade Co., Ltd
•  +86-311-87919785
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• Shijiazhuang Fenghai Imp. & Exp. Co., Ltd
•  +86-311-85279382
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• Shandong Kailai International Trade Co.,Ltd
•  8653185821096
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• Shijiazhuang Dexiang Chemicals Co., Ltd .
•  86-311-66688547
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• shangha jinghong chemical co.ltd.
•  021-66315503
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• SHANDONG SINCHEM SILICA GEL CO.,LTD
•  +86-632-2528333
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• Shanghai cloudscape chemical co.,ltd.
•  86-21-66302580
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• Seebio Biotech,inc.
•  +86-21-50272981-6515
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• shanghai vision chemical trading co.ltd
•  021-67253998
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• sunny zhongyuan chemical co.ltd xinxiang city
•  0373-5726288 5726333
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• Sinobright Import and Export Co., Ltd.
•  86-755-26735372
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• shanghai sphchem co.,ltd
•  +86-21-56491756 13512199871
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• shanghai Hygeia Chem-industry Co.,Ltd
•  86-21-52286139
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• ShiJiaZhuang LiangTai Chemical
•  86-0311-67665081
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• ShenZhen ZhongBaoDa Chemical Industrial Co.,Ltd.
•  +86-755-21912556
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• Suzhou Liansheng Chemistry Co., Ltd.
•  86-512-65906880
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• Shanghai Ao keep industrial Co., LTD
•  +86-021-65640009
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• Shijiazhuang BangTe Chemical Co.,Ltd.
•  +8615176427381
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• Shanghai LIC Pharmaceutical Co.,Ltd
•  8621-54283935
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• shijiazhuang huitian chemical co.,ltd
•  86-0311-85290640
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• Shandong Tianmai Chemical Industry Co., Ltd.
•  86-533-7488896
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