Dongying Hairuibao New Materials Co., Ltd., is located in Matou New Materials Industrial Park, Dongying, Shandong Province, China. Hairuibao is a professional national High-tech Enterprise integrating R&D, manufacturing and sales with the honors and titles of "little giant" enterprise (Shandong specialized and sophisticated SME); Science and technology-oriented SME; Shandong province gazelle enterprise.


Advantages and services:

• Specialized in producing new type of liquid chain extender, curing agent DETDA and DMTDA, which is popular used in SPUA industry.
• Reliable and advanced production equipment and strong R& D capabilities, possess the Amine group material��s structural design and controllable preparation.
• Provide matched products for aerospace, electronics, construction, aircraft manufacturing, sports facilities and other relative industries, be able to supply the solution of PU industry supporting additive��s application systems.
• After submitted more than 80 patented technologies, now we were approved 58authorized patents, including 34 invention patents