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L-Cystine (115)CAS RN:56-89-3;24645-67-8
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Dragon Chemical Group Co.,ChinaTelephone:+86-571-88383188;86970388;+49-211-550203-21
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Smart Chemicals Group Co. Ltd.Telephone:+86-21-33927743;33927342
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Hangzhou Starshine Pharmaceutical Co., LTDTelephone:+86-571-89936035 +86-571-89936036
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Ningbo Create Biological Project Co., Ltd.Telephone:86-574-86553666 86553333
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Wenzhou Chemical Material FactoryTelephone:+86-577-88799961 88795800 88799963 88799960 88799962
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Shanghai Brightol International Co.,LtdTelephone:+86-21-67866961
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Chongqing Justit Industries Co., Ltd.Telephone:+86-23-89018534
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ARCHER (NINGBO) IMP.&EXP.CO., LTD.Telephone:86-574-87990477
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Hebei Shengxue Glucose Company LimitedTelephone:86-311-85883294
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Hangzhou Donglou Bio-nutrient Co., Ltd.Telephone:+86-571-82225795,13805753795,13967112289