. Sidebar Menu About us? Who som? Works in the workshop Workshop Feines Industrial maintenance Industrial maintenance Other services Altres serveis Machinery and facilities Maquinària i instal.lacions Contact Contact us Legal warning Legal notice Aste SL on Facebook. Aste SL on Facebook. Location. Artesans, 64. Valls, Tarragona. 977 60 46 13 Monday to Friday, from 8am to 1pm and from 3pm to 6pm. Aste on Twitter. My tweets About us? With more than 25 years of experience, Aste, SL has become a leader in its sector thanks to the seriousness and rigor that we have always demonstrated in our activity, being trusted by the most important companies in the area. Advertisements WordPress.com blog.