... price 2.good quanlity 3.smart structure screw conveyor Flexible Screw Conveyor , which is generally used in processing of food, pharmaceuticals, ... for fine powder, pro-screw: for difficult material. Its main features includes dust free, easy to clean, high & low level control, ... binL200200Power of motorkw1.11.5Power supplyThree Phase, 380V, 50HZ high effective screw conveyor in henan zhengzhou