J & K SCIENTIFIC LTD.
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Shanghai YuanYe Biotechnology Co., Ltd.
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Aikon International Limited
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Henan Alfachem Co.,Ltd.
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Shenzhen Polymeri Biochemical Technology Co., Ltd.
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Shanghai Maclean Biochemical Technology Co., LTD
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Chengdu Peter-like Biotechnology Co., Ltd.
Telephone028-81700200 13308200041
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HANGZHOU LEAP CHEM CO., LTD.
Telephone+86-571-87711850 +86-15355479329
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