... the leading manufacturer of casting polyurethane elastomer products in China. Our main PU products including: PU sheets, ... 6 years.The PU products widely applied to national defense, mine ( metallurgy, coal, gold ), oil field, chemical, waterpower, engineering, ... mutual development and benefits. We welcome potential buyers to contact us all over the world. Material:PolyetherPolyesterPTMGHardness ...