Wanhua Chemical

Wanhua Chemical Group is one of the world’s largest chemical producers. It is the world's largest producer of methylene diphenyl diisocyanate (MDI), and second largest producer of aliphatic diisocyanate (ADI). It is China’s largest producer of toluene diisocyanate (TDI). MDI, ADI and TDI are all raw materials used to produce the ubiquitous polymer polyurethane. Wanhua Chemical has plants in China and Hungary, and exports its products all over the world.