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<p>The development responsibility was assigned to the Beijing Aerospace Propulsion Institute, a division of the <a href="page.php?w=Academy_of_Aerospace_Liquid_Propulsion_Technology">Academy of Aerospace Liquid Propulsion Technology</a>. The preliminary design was accomplished by mid-2002 and the first set of components was manufactured by early 2003. The same year saw the initial component and subsystem tests, with the gas generator successfully performing its first test on July 30. By December 2003 the whole <a href="page.php?w=Powerpack_%28rocket_engine%29">powerpack</a></p><p>
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