not an acceptable excuse. semi conductor are the base of all new technologies , have you forget how much we had problem to produce car ECU's even their radio and recorders several years ego ? without the ability to produce industrial level semiconductors you are not truly independent.Iran does produce semiconductors, not even close to world class quality, like anything Taiwan produces, but most household appliances, average electronics, even ballistic missiles do not require the best of the best. In any case you can always stack semi conductors if the power produced from one is not sufficient for your needs.
Right now the way things are going, it doesn't appear as if Sino-American relations are heading in a positive direction anytime soon. The Chinese are actually dumping their American assets ASAP. No Chinese bailout this time if there's a recession.
we started to produce simple semiconductors (like transistors and ICs )at Sa-Iran at the time of khatami but later the next governments in their infinite wisdom decided its cheaper to import it frtom russia and that action nearly destroyed Sa'Iran . but intrestingly in an industry like car industry which by no mean is as important they decided to fully support the corrupt car manufacturers on drinking people blood and never applied that reason , guess why