З 18 ^-й to 20^-й , 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 бяспечная вытворчасць з прадпрыемстваў-членаў Changshan Group прынялі ўдзел у курсе.