marss.cl
Second surveillance audit Standard NCh-ISO 17020
On Friday, January 25, 2019, the second surveillance audit under NCh-ISO 17020 was completed for the areas "lifting and lifting equipment" and "concentrates and minerals shipments (draft survey)" carried out by INN in Marss offices. Central Office and Placilla and once again the objective was achieved, receiving the congratulations of the INN Auditor Leader who