... 4. 40% prepayment 60% cash before deliver One, LS spiral screw conveyor novel structure, technical index is advanced, ... fertilizer, ash, sand etc, material temperature 200 degrees Celsius.LS spiral screw conveyor is unfavorable conveying easy metamorphism, big viscosity ... or conveying liquid materials. Four, model significanceTechnical parameter of type LS screw conveyor Note: 1, n - speed r/min ( ...