Zhejiang Yonghe Refrigerant Co.Ltd(605020) it is announced that Yonghe, a wholly-owned subsidiary of the company, plans to invest 686130300 yuan to build an 8000 T / a vinylidene fluoride, 10000 t / a perfluorohexanone and 60000 T / a waste salt comprehensive utilization project in heishatu Industrial Park, Wulanhua Town, Siziwang Banner, Wulanchabu City, Inner Mongolia Autonomous Region. The project aims to make full use of the comprehensive advantages of Yonghe fluorochemical production base in Inner Mongolia, accelerate the expansion and extension of the company's fluorochemical industry chain, further ensure the raw material supply of PVDF under construction and enlarge the cost advantage of raw materials; Further construction and production of perfluorohexanone on the basis of the company's existing product HFP is conducive to realizing the company's industrial layout in the field of fluorine fine chemicals and creating a new profit growth point.