An antibiotic produced by growth of Bacillus brevis. It consists of a mixture of antibiotics, principally gramicidin and tyrocidine. Gramicidin is the more active component. Use is generally limited to local external applications. It is active against some Gram-positive bacteria, including species of pneumococci, streptococci, and staphylococci.
Hangzhou Huarong Pharm Co., Ltd. Hangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and servic.. Dayang Chem (Hangzhou) Co.,Ltd. Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which i.. NEM CHEMICAL CO.,LTD
NEM CHEMICAL CO.,LTD. (original name is Puyang MYJ Fine Chemical Co., Ltd. ) is high-tech compang co..