Hanhong business includes three parts: research chemicals, fine & specialty chemicals ,custom synthesis. Hanhong’s core competence is the industrial technology of manufacturing of advanced organic building blocks including unnatural amino acids, protected amino acids, peptides ,nucleosides ,nucleotides and Heterocyclic Building Blocks. By exchanging technology for shares and joint production, Hanhong has set up four holding companies ,six co-operative enterprises and one sole corporation enterprise..