we are chinese API and Intermediates manufactuer located in jiangsu province. our products mainly include Glucosamine Hcl and Ceftezole Acid ( intermediates for production of Ceftezole Sodium) you can get more details of us from our company website: http://www.jiushoutang.com/sw/en/index.asp if you have some inquiry, pls do not hesitate to contact us thanks& best regards