Zhejiang longfuChemical Co.,LTD found in2003,is specialized in the marketing of various new type refrigerants and environmentally sound mixed refrigerants in both international and domestic markets .Through the way of cooperation and joint ventures, our company has formed a chain system which includes research and development ,quality control ,production and market.. Our products are superior in both quality and packing, can meet the requirements of different customers and markets.Located in...