The main activity of OMSA is the smelting and refining of tin concentrates coming mostly from Bolivian mines, using different metallurgical technological processes to obtain tin metal ingots with A1 grade quality.

OMSA's General Management is committed to the quality of our tin metal product in ingots, OMSA brand, which is part of the competitiveness strategy of the Metallurgical Operations Company.

With the purpose of guaranteeing and maintaining high reliability services according to the requirements of our company and the regulations in force in our country, a quality management system will be implemented that provides an effective support of our operations according to the requirements of the International Standard ISO 9001:2015 "Quality Management System - Requirements".

Establish and ensure the necessary resources to implement, maintain and continuously improve the Quality Management System for compliance with the requirements of ISO 9001 Standards Considering that human talent is essential in building a solid management, we promote through advice, training, provision of necessary resources, the technical competence of our staff to enable them to work effectively and efficiently, complying at all times with our policies, procedures and documentation of the Quality Management System with responsibility and care, within a framework of commitment to good professional practice.

We maintain our commitment to comply with the requirements of the International ISO 9001:2015 "Quality Management System - Requirements" and the continuous improvement of the effectiveness of the quality management system, which, we are sure, will permanently raise our standard of services for the benefit of OMSA and its customers.