... magnesium oxide board . this is the new machine MgO board production line include press board machine , electric sieve, blender A , Blender ... smooth.Output: 1800peices per day (8 working hours)Operator: One production line needs 15-18 workers.Specification of board: 3,4 ... ,6,8,9,10,12,15mm thickness. magnesium oxide board production line