We are the leading manufacturer of cephalosporin intermediates with ISO9001 Certifications. Our main products as following:1. Ceftriaxone Sodium Non-sterile2. Cefotaxime Acid3. Ceftazidime Dihydrochloride4. MAEM (CAS NO.:80756-85-0)5. ATMAA (CAS NO.: 65872-41-5)6. TTZ (CAS NO.: 58909-39-0)7. ATE (CAS NO.: 64485-88-7)8. TAEM (CAS NO.: 89604-92-2)9. AT-TBA/TBA (CAS NO.: 86299-47-0)10. EHATA (CAS NO.: 64485-82-1)11. N,N'-Dicyclohexylcarbodiimide(DCC) CAS NO.: 538-75-012. N,N'-Diisopropylcarbodiimide (DIC) CAS NO.:693-13-0 If you interested in our products, welcome contact us.