Virginiamycin, Ceftriaxone, Vitamin manufacturer / supplier in China, offering Top Quality Tetracycline HCl CAS 64-75-5 Tetracycline, Anti-Tuberculosis Bacteria Raw Powder 99% Purity Ethambutol 74-55-5, Veterinary Antibiotic Drug Doxycycline CAS 564-25-0 and so on.