Jingjing Pharmaceutical Co.,Ltd,are professional to study and manufacture L-Arginine,L-Arginine alpha ketoglutarate,L-Citruline,L-Citrulline DL-Malate,α- keto butyric acid、γ-amino butyric acid 、Hydroxyproline、β- alanine 、Dopamine、N- acetylneuraminic acidby fermentation process,and also produce sterile products including L-arginine sterile,Sodium Carbonate,N(2)-L-Alanyl-L-Glutamine,anhydrous dextro...