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Astaxanthin (21)CAS RN:472-61-7;122871-99-2
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Hangzhou Shuyuan Pharmaceutical Technology Co., Ltd.Telephone:+86-571-86066502;18958062155
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Shanghai Asarum Biotechnology Co., LtdTelephone:0086 21 51870157
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Shanghai Kindtrust Trading Co., Ltd.Telephone:+86-21-54561006 13003143337
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HANGZHOU N&B INDUSTRIAL CO.,LTDTelephone:+86-571-85197216 13858095955
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Shanghai DND Pharm-Technology Co., Inc.Telephone:+86-21-58783620
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Changsha Huakang Biotechnology Development Co., Ltd.Telephone:86-731-88809323
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3W Botanical Extract Inc.Telephone:86-731-82822986
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Ningbo Bestdrug Pharmaceutical Co.,Ltd.Telephone:+86-574-88399367，+1 416-710-5110
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Chemaxcel CorporationTelephone:+86-571-2829 1608
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Toda Biotechnology Co., LtdTelephone:+86 755 27800161