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SHANGHAI, May 20-- China's self-developed demonstrator aircraft engine CJ-1000AX has completed a successful test run in Shanghai, the engine maker said Sunday. AECC Commercial Aircraft Engine Co. Ltd. (ACAE) designed CJ-1000AX for China's homemade large C919 passenger jet, developed to rival global leading airliners such as Airbus A320 and Boeing B737. The engine reached a rotational speed of up to 6,600 revolutions per minute in the test run, ACAE said. The company inked a deal with Commercial Aircraft Corporation of China, the maker of the C919 jetliner, on developing its engine system in December 2016, and completed assembling CJ-1000AX in December, 2017. ACAE has more than 110 global and domestic partners in commercial aircraft engine industry. | 
