Hangzhou Zhongchang scientific co., Ltd., is a specialized pharmachemical manufacturer. Our office is in hangzhou,and Our factory is headquartered in Shangyu Fine Chemical Park, Shangyu, Zhejiang and we have two subsidiary production units in Xinchang and Shengzhou, Zhejiang. Our International Sales Department is located in Hangzhou. We mainly offer: 4-A minosalicylic Acid, Sodium Aminosalicylate, (S)-(+)-2- Alaninol (L-2-Amino Propanol) , Oil liquid disperse Sodium Hydride , Ciprofibrate, etc. New products to come include: Ciprofibrate, tropicamide,tropic acid,homatropine, etc. Hangzhou Zhongchang scientific co.,Ltd. was founded in 2005.up to now, we have 20 millions dollar fixed assets and 10 employees more. Directed by authoritative export,cooperated with many large pharmaceutical companies, possessing advanced equipment and inspection instrument ,we have strong ability in new chemical item developing. The scientific managing system ensure the high quality products. We have many cooperators in international market, as Europe, USA, Japan and South america. Guided by international market, directed by advance technology, persisting in the tenet of to survive by quality, to develop by innovation, we will strive to provide you with fine quality and good service. We are looking forward to your cooperation.