Changchun Hipolyking Co., Ltd. is a domestic enterprise with the full scale production capacity from polyimide raw material synthesis to final products. Based on the fifty years research foundation of polyimide at the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, we have built a thousand ton Yilun® series of fiber production lines with independent intellectual property rights. Hipolyking have formed a strategic industry of independently developed high-tech innovative products. The company has broken through the fine denier preparation and independently developed 0.89dtex mirco-fine denier polyimide Yilun ® fiber and pioneering the application of this aerospace material into textile industry. Hipolyking has over 50 domestic and foreign invention patents, and has successively passed the GJB9001C-2017 Weapon and Equipment Quality Management System, ISO9001 Quality Management System, ISO45001 Occupational Health and Safety Management System Certification, OEKO-TEX100 Ecological Textile First Class Certification, as well as SGS 220 High Concern Material Testing. The company has won honors such as "First Prize in Science and Technology of China Textile Industry Federation"
"First Prize of National Environmental Protection Science and Technology", and "National Polyimide R&D and Production Base". Yilun ® series fibers are popular in China and exported to Europe, America, Japan, South Korea, and other places.