Ruifeng is a leading Aliphatic Diisocyanates manufacturer, specializing in high-performance diisocyanates

Ruifeng is a leading Aliphatic Diisocyanates manufacturer, specializing in high-performance diisocyanates for coatings, adhesives, sealants, and polyurethane systems. Our product portfolio includes Dimer Acid Diisocyanate (DDI), CHDI (CAS 2556-36-7, Hydrogenated MDI substitute), TMXDI (Tetramethylxylylene Diisocyanate), and TMI (Unsaturated Aliphatic Isocyanate), delivering superior mechanical per