Premium Ingredient co.,ltd, specializes in the research, production and sales of amino acids and their derivates.  All Products meet the requirements of AJI, FCC, USP, EP, serving the customers in the line of pharmaceutical, nutrition, food, functional beverage, cosmetic and feed additives. 

Advantage products: l-aspartic acid, l-alanine, l-lysine hcl, dl/l-methionine, glycine, l-tyrosine, l-leucine, l-isoleucine, l-valine, l-cysteine hcl mono/anhy, l-arginine, l-citrulline, l-glutamic acid etc