Ingenieria y Servicios Industriales del Norte, S.A. de C.V.
Contact: Martin Sanchez
Luis de Cepeda 945-1 Col. Centro 
Saltillo Coahuila
Mexico 25000
Phone: (844) 410 - 1606
Fax: (844) 410 - 6606
Nondestructive services AET - MT - PT - RT - UT - VT, Development and qualification of welding procedures and Qualification of welders. Visit our web page www.isn.com.mx