Huanan Longyuan Biotechnology Co., Ltd. was established in June 2019 and is located in the Chemical Park of Huanan County Economic Development Zone, Heilongjiang Province. It covers an area of 95,000 square meters, with a construction area of 47,000 square meters. There are more than 100 employees, of which 30 have a university degree or above, and more than 20% are professional and technical personnel with intermediate and senior titles. The company is committed to the research and development, production, sales and transportation of pharmaceutical intermediates and other fine chemical products. It has six production workshops and uses leading technology and equipment to achieve professional automated precision manufacturing. The main products are pyridine hydrobromide, pyridine hydrochloride, 2-ethoxypropene, ethyl formate, 2-methylamino-5-tert-butyl-1,3,4-thiadiazole.