Of course China has copied foreign technologies, I didn't say they haven't. My point is that you guys love to hang on to that as an excuse to dismiss everything from China even when they're obviously plenty capable of doing R&D in many fields, even with it having gotten its start off "stolen" IP.
America "stole" plenty of rocket technology from Germany, yet it's well understood that they eventually innovated on it and made it their own. But somehow whenever China's involved, you guys come out with your unsubtle bigotry.