Profile: A. A. Engineering Works is a manufacturer of ammonia printing machines, drafting machines, adjustable drawing machines and filing cabinets. We are an ISO 9001:2008 certified company. We have various kinds of machines to offer services such as ammonia printing, film & papers, lateral filing cabinet, and plan storage. Ammonia printing machine has a continuous plan printer that is best suited for reproduction from any transparent original. It has a rotating glass cylinder on endless conveyor material. A round light source and excellent contact mechanism, which has a mechanical gear drive that has been given a comprehensive design for easy movement.