Ningbo Chemchen Bio-tech Co.,Ltd  have specially produced and managed  protected amino acids such as CBZ - Amino acids series, BOC - Amino acids series, Fmoc - Amino acids series etc for a decades years. We are the best producer of  Amino acids ester also particularly in Amino acids Methyl ester, Ethyl ester, Benzyl ester etc, Compound Salts of Amino acids, Other Amino acids and its Derivatives depend on the market. Our products are delivered from grams to tons according to you require and sold to our clients well home and abroad. We are strong at R&D, because we have a strong team members both in deep theory study and rich practical experience. We will serve the our clients  with the scientific spirit, the honest attitude, the outstanding quality, reliable credit, flexible market mechanism and our strong at R&D . we are look for various cooperation with companies or enterprise home and abroad to get win-win situation and make progress in business together.