Yancheng Langde Chemical & Pharmaceutical Co., Ltd. mainly produce APIs,Intermediate of API and Custom Synthesis chemicals(Indanone series,Cinnamic acid series , acetylene series, phenylpropanoic acid series,Pyridine series,quinoline series,pyrazine series,piperidine series and other chemicals). Our enterprise aims to be engaged in researching and producing first and second-grade new drugs. We will contribute to the health cause of mankind while continuously improving the core competitive power of enterprise. The company is known for its capability to develop techniques for the production of fine chemicals on gramme' to kilo' and ton's scale and provides.