safety of pfeiffer coal mills. gebr. pfeiffer se: sales news, fifth pfeiffer coal mill for korea zinc korea zinc co. ltd. ordered another pfeiffer vertical roller mill for its works located near ulsan. the mps 250 bk roller millsafety of pfeiffer coal mills, gebr pfeiffer se: sales news. pfeiffer, this time for four mills, which will be set up at a cement works in elazig situated to the east ...