1.easy installation and maintainess 2.rigid and durable vibrating resistance screen 3.used in chemical, cement, industry etc Screw ConveyorFeature:According to JB/t7679-95 screw conveyor Standard desing and manufacture.Bearing of head and tail move to out,handing bearing use slide bearing,,with dust steal equipment. The whole machine has high reliability,long service life,strong adaptability, ...