Technical Training Organization (OTEC) created in 2013, today specializing in online professional education, based on decades of engineering and management experience in foundries, mines and plants. Provides student-centered educational products that allow companies to attract, manage, and retain scarce, essential talent for the Industry 4.0 Academia.Holtec offers courses with SENCE code and is NCh 2728: 2015 standard certified by Bureau Veritas. In the SENCE system we hold resolution number 6679 and national registration number 54496.