1. screen type : Derrick-500 2. screen size : 1050*697*20mm 3.screen used in type of shale shaker : a)Derrick 503,504 plate and pyramid screen:Technological properties1.high screen frame strength,and strong solid.2.Flat surface, remarkable filtrability.3. Long service life ,environmental protection and energy saving.4.Convenient installment,easy to replace .Our product is jointly created by ...