Deunyddiau polywrethan ac isocyanadau arbennig
Ni, Shanghai Theorem Chemicals Co. (Shanghai Further New Material Co.), sy'n cyflenwi'n bennaf ddeunyddiau polywrethan ac isocyanadau arbennig, fel HTPB (Polybutadiene â Therfyn Hydroxyl), RE, RFE, RC, RN, NDI (1,5-Naphthalene Diisocyanate), TODI ...
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