L-Lysine HCl 98.5% Feed Grade, L-Threonine 98.5% Feed Grade, L-Tryptophan Feed Grade manufacturer / supplier in China, offering 800kgs Large Package of Dongxiao Brand L-Lysine HCl Feed Grade, Gbt Brand 98.5% Feed Grade L-Lysine Monohydrochloride, Changchun Dahe Brand 98.5% Feed Grade L-Lysine HCl and so on.