L-Lysine HCl 98.5% Feed Grade, L-Threonine 98.5% Feed Grade, L-Tryptophan Feed Grade manufacturer / supplier in China, offering Factory Price Liquid 75% Choline Chloride, Dongxiao Brand Feed Grade Powder L-Lysine Monohydrochloride, 99%Min Baking Soda Powder Sodium Bicarbonate and so on.