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In all the world, Changkai (Changkai , 昌凯 , 常凯 ) is quite a rare primarily boy's, but very seldom female first name. The first name Changkai is habitual in China, where it is a rare predominantly male, but very infrequently female name, and India, where it is an extremely rare unisex name. Much less frequently, Changkai is the last name as well as the forename.