Hunan Chengda Biotechnology Co., Ltd., established on 2002-03-20, Business scope includes saponin,Diene,Worms Oxide,Mold oxides,Study on Dehydrogenation of Mold,Development, production and sales,Import and export business;Veterinary raw materials,insecticide,Research and development of compound premixed feed,manufacturing and sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)