Shanghai Hanhong Chemical Co., Ltd.----Main products Sales Manager: Paul Ma Tel: 0086-21-64541543, 13918533501 Fax: 0086-21-54291107 Email: paul@ hanhongg roup.com Add: Room 209, Zenghe Building , Jiachuan....
Hanhong Group is a professional enterprise engaged in researching, developing, manufacturing and exporting unnatural amino acids , nucleosides, nucleotides, chiral chemicals and other fine chemicals....