J & K SCIENTIFIC LTD.
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Shanghai Aladdin Bio-Chem Technology Co.,LTD
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Shanghai Chenzhu Pharmaceutical Co., Ltd.
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Shenzhen Polymeri Biochemical Technology Co., Ltd.
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Guangzhou Yunmen Biotechnology Co., Ltd
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Guangdong wengjiang Chemical Reagent Co., Ltd.
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Guangdong Fangxin Biotechnology Co., Ltd.
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Henan Fangding Technology Co., LTD
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