... and sperm vitality extend boar's serviceable life according to GMP standard Anhui ruisen bio-tech co., ltd., an specialized ... herbal as raw material, and those cmaterials according to GMP standard, as well as ensure the product quality according ... to ISO9000, the workshop was built also according to GMP standard. Main IngredientsPCA, FOS, willow, dandelion, Herba plantaginisapplication ...