Shanghai Dongyu Biological Technology Co., Ltd., Ltd. is located in Shanghai City, Shanghai Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutical raw materials and intermediates. we are specialized in manufacturing powder, granule, pellet, sustained-release pellet, providing food and nutraceutical commissioned processing, OEM manufacturing and customized processing. We could not only provide you with vitamin premix, but also amino acid, minerals, carotenoids and herbal extract premix.We have complete experimental facilities. And advanced testing instruments ensure the stability of product quality from all aspects. We have a complete sales service system, the products are exported to countries all over the world, and have won a good international reputation with excellent quality and excellent service.Our business is based on honesty and mutual trust. Sincerely look forward to establishing long-term mutually beneficial and good cooperation with customers all over the world.