... TDI) 80/20 shanghai sungo is a professonal provider for PU raw materials chemicals over many years. Such as: polyol flexible ... foam chemical materials,business for some meddle Intermediates, MDI,TDI 80/20 , Toluene Diisocyanate ... oil, addocate 105, stannous octoate, Dye and some new materials, our products have been success exporting to overseas, enjoy high ...