86-21-69925189
Room 408, No. 819, Yinxiang Road, Nanxiang Town, Shanghai, China
Cyanocobalamin/Vitamin B12/VB12 food grade USP/valine Amion acid, US $ 1000 - 3000 / Kilogram, 68-19-9, Cyanocobalamin, C63H88CoN14O14P.Source from Shanghai Tianjia Biochemical Co., Ltd. on Waimaotong.com.