China Tech (Tianjin) Chemical Co., Ltd. (hereinafter referred to as "Zhongtai") is an innovative national high-tech enterprise with the mission of "focusing on the R & D and production of advanced functional polyimide monomers and committed to promoting the development of global polyimide material industry". Zhongtai headquarters integrates R & D, sales and operation. It is located in Tianjin, a beautiful coastal city with developed transportation and prosperous economy; Zhongtai's main production base is located in Yulin City, Shaanxi Province, which is rich in coal, gas and other resources. At the same time, it has established auxiliary production bases in Jilin and other places to form a stable production layout of "one production base, supplemented by multiple production bases". Zhongtai focuses on special polyimide monomers, and has established joint laboratories and long-term technical exchange relations with Tianjin University, Tianjin University of science and technology, Hebei University of technology, Chinese Academy of Sciences and other universities and national top polyimide research institutes, which is supported by profound scientific research strength; It has a group of high-quality R & D experts and production management team composed of overseas masters, doctors and senior engineers who have worked in the industry for a long time. It has environmental protection and efficient production equipment, advanced testing instruments and perfect management system. The polyimide monomers produced are widely used in transparent polyimide films and aerospace composites, Thermoplastic polyimide materials, photosensitive, semiconductor and 5g communication materials are exported to South Korea, Japan, the United States, Russia, Taiwan and other countries and regions all year round. Zhongtai has established long-term strategic cooperative relations with many of the world's top 500 enterprises and enjoys a good reputation in the global market. Zhongtai is committed to becoming a comprehensive manufacturer of special polyimide monomers in the world. We will continue to conduct in-depth research and provide our customers with high-quality polyimide monomers. The company warmly welcomes friends at home and abroad to come for technical exchange and economic cooperation. We will wait for your presence based on the principle of mutual benefit. We are willing to go hand in hand with friends at home and abroad to create a brilliant tomorrow!