Unidom (UNIfied Domain Object Model) is a series of domain model engines. The China Certificate domain model engine includes Identity Card, Driving License, and Business License models. Unidom (统一领域对象模型)是一系列的领域模型引擎。中国证件领域模型引擎包括中国大陆的身份证、驾驶证、营业执照等模型。