L-Lysine HCl 98.5% Feed Grade, L-Threonine 98.5% Feed Grade, L-Tryptophan Feed Grade manufacturer / supplier in China, offering Eppen Brand L-Lysine HCl Feed Grade for Animal, Eppen Brand 98.5% Powder L-Lysine Monohydrochloride, Feed Additives Fufeng Brand Powder L-Lysine Monohydrochloride and so on.