Profile: Fuzhou Fuxing Pharmaceutical Co., Ltd. is a manufacturer of antibiotics. Our main product is colistin sulfate. We also produce feed additives such as colistin sulphate pre-mix. Vancomycin is a glycopeptide antibiotic isolated from the soil microorganism streptomyces orientalis. Its administration has increased due to the emergence of methicillin-resistant strains of staphylococcus aureus and staphylococcus epidermidis. Colistin sulphate is an antibiotic of basic polypeptides. It has strong antibiotic effect against intestinal diseases caused by gram-negative bacilli. It is used as feed additive.