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Cognomen ชินชัย (ชินชัย , Chinchai , Cinchai ) , in the world, is a rare surname. The last name ชินชัย is characteristic of Thailand, where it is a rare surname, Peru, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, ชินชัย is the forename as well as the last name.