L-Lysine HCl 98.5% Feed Grade, L-Threonine 98.5% Feed Grade, L-Tryptophan Feed Grade manufacturer / supplier in China, offering Dongxiao/Golden Corn/Meihua Brand Feed Grade Additives 70% L-Lysine Sulphate, China Factory Meihua Brand/Golden Corn Brand 70% L-Lysine Sulphate for Feed Grade Additives, Hot Sale China Brand Feed Grade Additives Meihua/Julong L-Isoleucine and so on.