摘要
Yantai Wanhua Polyurethane Co.,Ltd.(Yantai Wanhua,SZ:000309) is mainlyengaged in the research,development,production and sales of isocyanate se-ries products (mainlydiphenylmethane diisocyanate),aro-matic polyamide series products andthermoplastic polyurethane elas-tomer series products.