Nan Yang
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Actually the YF-100 more closely resembles the RD-801 which is a modern build of the RD-120
No true.
Source
http://www.spacedaily.com/reports/L...vancement_yet_in_new_launcher_family_999.html
Vick said he was also impressed that this new Long March series was developed without the Russian rocket engine technology know-how and the U.S. cryogenic technology involved.