“Constructora Valko S.A.” with vast experience in engineering and construction works and Valko Minería y Energía Ltda., assume the commitment to implement and maintain an Integrated Quality, Safety and Health at Work and Environmental Management System with the purpose of meeting and satisfying the requirements established by our clients for the execution of the awarded works. The continuous improvement of the integrated management system is a commitment acquired by all staff, it constitutes the basis for being recognized as companies committed to their workers, the environment, their shareholders, efficient and technically responsible.