Zhengbai Science & Technology Group is a national high-tech enterprise integrating research, development, production and sales of functional feed additives technology enterprise, headquartered in Guangzhou Knowledge City, Guangzhou, China.Zhengbai Group have five subsidiaries. Guangzhou Zhengbai Biotechnology Co., Ltd. (company operation and R&D center), Guangzhou Zhengbai Feed Science & Technology Co.,Ltd. (coated trace elements, compound feed acidifier, functional feed additive and core material manufacturing base),......