Shandong Guansen Polymers Materials Science and Technology Inc., founded in March 2014 and located at No. 63, Mingyuan Road, Hekou Blue Economic Industrial Park, Dongying City, is a professional and technological enterprise integrating R & D, production and sales. Now it specializes in the production of polyimide polymer new material synthetic monomer 4,4 '- diaminodiphenyl ether products. The company always adheres to the enterprise spirit of "focus, forge ahead, innovation and win-win", and is committed to building first-class fine chemical products, contributing to the vigorous development of polyimide polymer new material industry. The company has passed the certification of ISO9001 quality management system, ISO14001 environmental management system and iso45001 occupational health and safety management system, and has achieved remarkable results in consolidating the management foundation, refining responsibilities and strengthening on-site supervision and management. Since 2016, the company has steadily maintained the honor of "national high-tech enterprise", and won the honorary titles of "quality benchmark" in the national petrochemical industry, Shandong "specialized and special new" enterprise, Shandong "invisible champion" of small and medium-sized enterprises, Shandong high-quality brand, Shandong "one enterprise, one technology" R & D center and so on. The company has independent intellectual property rights of products, and has obtained 7 patents for synthetic route invention and 10 patents for utility models of key processes and main equipment. It has established industry university research cooperation with China University of Petroleum (East China), and established "new materials joint laboratory", "scientific and technological achievements transformation base", "graduate workstation" and other platforms, which provide a solid technical support for the company's existing product quality improvement, process improvement, and new product development. In the future, the company is committed to focusing on the development direction of polyimide polymer new material industry and enriching the production of synthetic monomers, with the goal of realizing the industrialization of polyimide polymer new materials with different properties, persevere and move forward bravely.