Changsha Zheng Li Biological Technology Co Ltdrelies On Hunan Agricultural Universityningxia University And Chinese Academy Of Sciences And Other Research Institutesspecializing In Research & Developmentmanufacturing And Trading Of Humic Humusacid Huminsauren Products For Poultry Swine Aquaculture And Other Animal Therapeutic Nutritional Ingredients Additives Supplements Material As Well As Fertilizers For Nearly 15 Yearsour Factories Are Certified With Iso9001 2015 And Inspected By Itssgstuvaqmbsci Etcour Products Are Widely Used In Livestock And Poultry Feedanimal Feed Additivesaquatic Animal Protectionorganic Fertilizerssoil Improvementindustrial Ceramics And Biomedicine Industries
