"Hongbaoli" trademark is a famous trademark in Jiangsu province. The main product, rigid foam combined polyether, is widely used as heat insulation material in refrigerator freezer, cold chain container, refrigerated truck (warehouse), building insulation board, solar cell EVA packaging film, petrochemical pipeline, water heater, building spraying and other fields. Since its establishment, the company has always adhered to the technological innovation strategy of cultivating and upgrading its core competitiveness. In 25, the company's technical center was recognized as the provincial-level enterprise technical center in Jiangsu Province by the Jiangsu Provincial Economic and Trade Commission. The total number of the company is 1,, and there are 198 professional technicians engaged in the research and development of the production technology and series products of polyurethane rigid foam polyether and isopropanolamine. Every year, a number of new products with high technology content and high added value come out, which truly forms the product group advantage of "production generation, development generation, reserve generation and conception generation". The series of fluorine-free polyether products of HCFC-141b, cyclopentane, cyclic/isopentane, quanshui, HFC-245fa and HFC-245fa/365mfc have been developed and produced successively, and the upgrading from high fluorine and low fluorine to fluorine-free has been realized in the same industry in China. According to the market demand of refrigerators and freezers, the combination polyether with low K value, low density, low index and rapid demoulding was developed, which was favored by customers.