في الفترة من 18 ^{من العد التنازلي لمعرض كانتون رقم} to 20^{من العد التنازلي لمعرض كانتون رقم} , Changshan Group agrranged a new safe production training course in order to develop the knowledge about regulation and law, operation, principle and conception of the safe production. All the directors, vice directior and mangers in charged of the safe production from the member enterprises of Changshan Group participated the course.