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L-Serine (34)CAS RN:56-45-1
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SNC International Co., LimitedTelephone:+86-22-28221962;28221963;88269480
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AWELL INGREDIENTS CO.,LTD.Telephone:+86-551-63875110
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Changzhou Xuanming Pharmaceutical Technology Co., Ltd.(Changzhou Xuanming chemical Co., Ltd.)Telephone:+86-519-85525329
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Shanghai Xutai Biotechnology Co., Ltd.Telephone:+86-21-37100650;37100630