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YUXING BIOTECHNOLOGY (GROUP)CO.,LTD. is a professional Vitamin B12 manufacturer. Our productivity is 60 tons per year . We can supply high quality products: Cyanocobalamin(VB12), Mecobalamin, Hydroxocobalamin, Cobamamide ,Vitamin B12 Food Additive, Vitamin B12 Feed Additive. You can see more information in our company web: www.hebyufeng.com.
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