Contact us for more details of our high quality 1,2-Ethanediamine, N,N'-bis(2-aminoethyl)-, polymer with methyloxirane（CAS：26950-63-0）. Amitychem Corporation will be your strong partner in China with our 15 years experience specialized in the the field, our ISO/SGS/CQC certificated quality, our seriously & timely response service.