AETRIN is born as a result of the efforts of its founder companies to fulfil the necessity of aggregating a basic sector of the meet industry with the aim of guaranteeing that natural casings provided by its associates would meet thoroughly with the necessary sanitary and professional conditions. This Web site is born as a tool to provide help, information and cooperation, not only to the casings industry professional, but also to the consumer, and also with the aim to fulfil and provide electronic support to those needs that originated the origin of this association.   We welcome you to this web site and also to the world of the natural casing   Yours faithfully Juan Costa, President