Yantai Wanhua Polyurethanes Co., Ltd., Wanhua Chemical is the R&D, production and sales of PU series products, like isocyanates and polyols. Wanhua has 5 manufacturing bases all over the world and is the most competitive MDI producer and the biggest TDI supplier in Europe, and has now entered into the Aliphatic Diisocyanate Business (HMDI, HDI, IPDI, trimer).