... continuously 2. reasonable price 3. high technology 4. less maintenance Screw Conveyor1. characteristics Screw conveyor novel structure, ... plastic, pharmaceutical and other industries; Suitable for horizontal or less than 20 degrees obliquity, transportation powder, granular and small block ... mode are divided into two kinds:C1 polycot -- less than 35m spiral captain degrees, the oil driver.C2 polycot ...