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Vitamin B12 (131)CAS RN:68-19-9
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Guangzhou Longfine Biotechnology Co., LimitedTelephone:020-29848075
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SHAOXING AGROTRUST BIOTECH LIMITEDTelephone:86-575-82700703
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Jiaxing Promo-Creat ChemicalsTelephone:0086-573-82850871
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Fuzhou Contay biotechnology Co.,Ltd.Telephone:+86-0591-87860651
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NINGBO VITAX BIOTECH CO., LTD.Telephone:+86-0574-28855236/28805910
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NINGBO V&P CHEMISTRY CO.,LTDTelephone:+86-574-87434756
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Shanghai Star Pharm Co., Ltd.Telephone:86-21-58521787
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WLP INGREDIENT INCTelephone:+86-18192489506
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Taizhou Lodestar Pharma Co., Ltd.Telephone:+86-13515769449;+86-15988959449
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Surfactant GuideTelephone:+61 3 9328 3099