Somos los distribuidores oficiales de la marca COVALCA en la región del Biobío.
https://covalcagroup.com/wp-content/uploads/2018/03/Catalogo-Hidra%CC%81ulico.pdf 
https://covalcagroup.com/wp-content/uploads/2018/03/Catalogo-Industrial.pdf 
https://covalcagroup.com/wp-content/uploads/2018/03/Catalogo-General-Products.pdf 
https://covalcagroup.com/wp-content/uploads/2018/08/Librillo-de-Roscas-Conexiones.pdf