1,5-Naphthalene Diisocyanate(NDI) CAS 3173-72-6 hei Rauemi Polyurethane
Ko matou Shanghai Theorem Chemicals i whakapau kaha ki nga rawa matū hou, Polyurethane raw material me te isocyanates motuhake, I roto i nga tau, i roto i te kaupapa o te "Kounga Kounga, Hangarau Arataki", th...