Guangdong Atech Biotechnology CO., LTD has supplied yeast cell wall,MOS,-glucansYeast Autolysateselenium yeast for 9 years,with high quality and competitive price. 1.yeast cell wall,mos,-glucans 60% for shrimp,fish.pet food,piglets,swine 2.active dry yeast for ruminate 3.selenium yeast supply inorganic Se,2000ppm 4.yeast autolyzate supply nucleic acid protein for aquatic animals