We,subordinate to Zhangjiagang Hope Chemicals Co.,Ltd,which is the larger and well-known manufacturer and supplier of Diketene and it's derivatives such as Ethyl 4- chloroacetoacetate and Acesulfame-K, Oxiracetam, 4-chloro-3-hydroxy-butyric acid ethyl ester, chloroacetamide, Glycinamide Hydrochloride etc.If interested,kindly please contact us.