J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
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Chemsky (shanghai) International Co.,Ltd
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ChemStrong Scientific Co.,Ltd
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Shanghai Han-Xiang Chemical Co., Ltd.
Telephone 15971444841
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Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
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Hebei Zhoukun Pharmaceutical Technology Co., LTD
Telephone0311-83784138 18633934202
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Changzhou Bojia Biomedical Technology Co., Ltd.
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HX Pharmaceutical technology co., LTD
Telephone 15671363360
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guoyungurui
Telephone18162595016; 18162595016
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Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 17301488900
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