Changhe Group was founded in 1992. It is a national high-tech enterprise based on polymer synthetic new materials and develops and creates green new material systems. It has an annual production capacity of 200,000 tons of synthetic polyurethane, 200,000 tons of synthetic polyester and 200,000 tons of synthetic polyester and 20,000 tons of them. Large-scale production base for synthesis of water-based polyurethane.

Changhe Group focuses on the research, development, sales and application of new materials for sports floors, building floors and building repairs, and has obtained 26 national patents. In the field of sports floor materials, breakthrough innovative products such as "silicon PU stadium", "SPU track", "semi-prefabricated stadium/runway" and "full-prefabricated stadium" have been developed in the industry. Up to now, Changhe Group has 24 marketing service offices across the country and more than 3,800 sales partners, covering 31 provinces, cities and autonomous regions across the country, achieving rapid response to services in various regions.

Changhe Group's main products in the chemical field include: 1. Silicon PU court, Jingzhi stadium, SPU elastic tennis court, seamless semi-prefabricated ESPU court series surface materials; 2. SPU track, seamless semi-prefabricated ESPU track Runway series surface materials; 3. Special fitness trail developed for sports parks - Zhirou Trail series with high elasticity and effective sports protection, Zhigang Greenway series with anti-slip decoration; 4. Ground characteristics of campus teaching and life and other functional areas ——Jinggang floor (stand, outdoor parking lot, outdoor activity venue), SPU rubber elastic floor (teaching room, functional room, corridor, etc.), floor anti-slip coating; 5. For factories, workshops, shopping malls, hospitals and other industries Building materials systems in the field; 6. Home interior decoration building materials systems for civil and commercial use.

Changhe Group's high-quality products have been widely used in sports venues, commercial venues, public places and schools around the world, and are recognized by domestic and foreign markets and customers. After use, they are given priority to the same industry in terms of applicability, environmental protection, etc. Products of the same category are exported to Europe, America, the Middle East, South Africa and other countries and regions.