... machine to process magnesium oxide board . this is the new machine fireproof board production line include press board machine , electric sieve, blender A ... belt is more smooth than before, so the face of board will be more smooth.Output: 1800peices per day (8 working ... )Operator: One production line needs 15-18 workers.Specification of board: 3,4,5,6,8,9,10,12,15mm thickness. fireproof ...