sessions Total number of trainees Total training hours Total training hours per person 22,468 213,167 1,084,229 722017 18,077 204,653 920,576 64 2016 2018 Training Performance Average training per person for management personnel: 81 hours Course developers and internal lecturers: over 300 57 key training programs Average training per person for technical personnel: 76 hours Courses for development and production directors: 45 266,266 trainees Average training per person for skilled workers: 88 hours Training micro-courses for underground operation & supervision: 30 1.24 million total training hours Special micro-courses related to QHSE: 10 80,605 hours of online training “Haixue” played a positive role in digital transformation of training In 2018, the Company stepped up its efforts in developing the “Haixue” online learning platform, which has 1,639 online courses and more than 70 online special training sessions, 196 online and offline training courses, and 727 online exams.