... additive for our customers.We Premix following raw materials .1.Amino Acid :L-Lysine,Glycine,DL-Methionine,DL- ... ,maganesium sulfate,etc5.Appetite promoter :Vanillin,Malic Acid,Lactic acid,Ethyl Acetate ,etc ...6. Antibacterial agent :Tylosin, oxytetracycline ,Flavomycin etc ... Nutrition.2.Improve meat ,milk,egg,output. Our capability 1.Premix .2. Provide formulation.Technical Support For usage ,dosage ...