Huaian Huiyu Pharmaceutical & Chemical Co., Ltd. Is specialized in r&d, production of the API joint-stock high-tech enterprise, the company has independent laboratory and production base, can provide kilograms, 100 kilograms, tonnage of chemical products. The company focuses on the technology innovation, successively independent research and the Varenicline and each step intermediates,5 - Formaldehyde,N-tert-Butylpiperazine,Products are sold to Europe, America and Japan, Korea, and other countries. The company will continue to increase science and technology innovation, strengthen the research of circular economy input, and strive to create a modern high-tech enterprises.